{"title":"Best Sellers","description":"\u003cp\u003eOur most popular performance parts — proven by real racers. From bleed nipples to SPAL cooling fans, these are the components our customers trust most.\u003c\/p\u003e","products":[{"product_id":"mocal-sae-j30-r9-high-pressure-e10-rubber-fuel-hose","title":"Mocal SAE J30 R9 High Pressure E10 Rubber Fuel Hose","description":"\u003cp\u003eThe Mocal SAE J30 R9 high-pressure E10 rubber fuel hose is designed to provide a reliable and durable solution for modern fuel systems. Manufactured to the SAE J30 R9 specification, it is suitable for use with petrol and E10 ethanol-blended fuels, making it ideal for everything from routine maintenance to performance upgrades and custom builds.\u003c\/p\u003e\n\u003cp\u003eBuilt to handle the higher pressures found in fuel injection systems, this hose features a reinforced rubber construction that offers excellent resistance to heat, fuel, and ageing. 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By intelligently distributing torque between the driven wheels, it improves traction, cornering stability and power delivery, making it ideal for fast road and track use.\u003c\/p\u003e\n\u003cp\u003eUnlike clutch-type differentials, this LSD uses a precision helical gear torque-biasing design, eliminating clutch plates and the associated wear. This results in smooth, progressive engagement with minimal noise and virtually no maintenance requirements.\u003c\/p\u003e\n\u003cp\u003eIt is a torque-biasing differential that automatically transfers torque to the wheel with the most available grip. This significantly improves traction during acceleration, particularly when exiting corners or driving in low-grip conditions.\u003c\/p\u003e\n\u003cp\u003eInside the differential, parallel-axis helical gears generate internal thrust forces proportional to the applied torque. These forces create resistance within the differential housing, allowing torque to be directed to the wheel with greater traction while maintaining smooth operation during normal driving.\u003c\/p\u003e\n\u003cp\u003eWith a 5:1 torque bias ratio, the Blackline LSD can transfer up to five times more torque to the wheel with the most grip. This allows the differential to handle significant traction imbalances while maintaining predictable and stable handling. In rare situations where one wheel has completely lost traction, techniques such as light braking can help the differential redistribute torque effectively.\u003c\/p\u003e\n\u003cp\u003eManufactured from high-strength 8620 alloy steel, it is built for durability and long service life. Precision machining and heat treatment ensure it can withstand high torque loads in demanding performance environments.\u003c\/p\u003e\n\u003cp\u003eCompared to a standard open differential, the Blackline LSD provides several key advantages:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eImproved traction under acceleration\u003c\/li\u003e\n\u003cli\u003eReduced inside wheel spin when cornering\u003c\/li\u003e\n\u003cli\u003eSmoother and faster response than viscous LSD systems\u003c\/li\u003e\n\u003cli\u003eProgressive engagement without harsh locking\u003c\/li\u003e\n\u003cli\u003eNo clutch plates to wear or require servicing\u003c\/li\u003e\n\u003cli\u003eQuiet operation suitable for road and track use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe differential is designed as a direct replacement for the original unit, fitting the 10-spline A Series axle, used in the vehicles listed below.\u003c\/p\u003e","brand":"Blackline","offers":[{"title":"Default Title","offer_id":44039546798396,"sku":"MLR.BRV\/AUS","price":424.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/0703\/4172\/files\/hlf070_webp.webp?v=1769445485"},{"product_id":"blackline-hlf023-bmw-188l-medium-case-helical-gear-lsd","title":"Blackline HLF023 BMW 188L Medium Case Helical Gear LSD","description":"\u003cp\u003eThe Blackline HLF023 helical limited-slip differential is designed for BMW models fitted with the 188mm 188L medium case differential, providing a direct performance upgrade over the standard open differential. By intelligently distributing torque between the driven wheels, it improves traction, cornering stability and power delivery, making it ideal for fast road and track use.\u003c\/p\u003e\n\u003cp\u003eUnlike clutch-type differentials, this LSD uses a precision helical gear torque-biasing design, eliminating clutch plates and the associated wear. This results in smooth, progressive engagement with minimal noise and virtually no maintenance requirements.\u003c\/p\u003e\n\u003cp\u003eIt is a torque-biasing differential that automatically transfers torque to the wheel with the most available grip. This significantly improves traction during acceleration, particularly when exiting corners or driving in low-grip conditions.\u003c\/p\u003e\n\u003cp\u003eInside the differential, parallel-axis helical gears generate internal thrust forces proportional to the applied torque. These forces create resistance within the differential housing, allowing torque to be directed to the wheel with greater traction while maintaining smooth operation during normal driving.\u003c\/p\u003e\n\u003cp\u003eWith a 5:1 torque bias ratio, the Blackline LSD can transfer up to five times more torque to the wheel with the most grip. This allows the differential to handle significant traction imbalances while maintaining predictable and stable handling. In rare situations where one wheel has completely lost traction, techniques such as light braking can help the differential redistribute torque effectively.\u003c\/p\u003e\n\u003cp\u003eManufactured from high-strength 8620 alloy steel, it is built for durability and long service life. Precision machining and heat treatment ensure it can withstand high torque loads in demanding performance environments.\u003c\/p\u003e\n\u003cp\u003eCompared to a standard open differential, the Blackline LSD provides several key advantages:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eImproved traction under acceleration\u003c\/li\u003e\n\u003cli\u003eReduced inside wheel spin when cornering\u003c\/li\u003e\n\u003cli\u003eSmoother and faster response than viscous LSD systems\u003c\/li\u003e\n\u003cli\u003eProgressive engagement without harsh locking\u003c\/li\u003e\n\u003cli\u003eNo clutch plates to wear or require servicing\u003c\/li\u003e\n\u003cli\u003eQuiet operation suitable for road and track use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe differential is designed as a direct replacement for the original unit, fitting the 188mm medium case diffs, used in the vehicles listed below.\u003c\/p\u003e","brand":"Blackline","offers":[{"title":"Default Title","offer_id":44039557022012,"sku":"MLR.BSE","price":524.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/0703\/4172\/files\/hlf023_webp.webp?v=1769446186"},{"product_id":"blackline-hlf024-bmw-188k-medium-case-helical-gear-lsd","title":"Blackline HLF024 BMW 188K Medium Case Helical Gear LSD","description":"\u003cp\u003eThe Blackline HLF024 helical limited-slip differential is designed for BMW models fitted with the 188mm 188K medium case differential, providing a direct performance upgrade over the standard open differential. By intelligently distributing torque between the driven wheels, it improves traction, cornering stability and power delivery, making it ideal for fast road and track use.\u003c\/p\u003e\n\u003cp\u003eUnlike clutch-type differentials, this LSD uses a precision helical gear torque-biasing design, eliminating clutch plates and the associated wear. This results in smooth, progressive engagement with minimal noise and virtually no maintenance requirements.\u003c\/p\u003e\n\u003cp\u003eIt is a torque-biasing differential that automatically transfers torque to the wheel with the most available grip. This significantly improves traction during acceleration, particularly when exiting corners or driving in low-grip conditions.\u003c\/p\u003e\n\u003cp\u003eInside the differential, parallel-axis helical gears generate internal thrust forces proportional to the applied torque. These forces create resistance within the differential housing, allowing torque to be directed to the wheel with greater traction while maintaining smooth operation during normal driving.\u003c\/p\u003e\n\u003cp\u003eWith a 5:1 torque bias ratio, the Blackline LSD can transfer up to five times more torque to the wheel with the most grip. This allows the differential to handle significant traction imbalances while maintaining predictable and stable handling. In rare situations where one wheel has completely lost traction, techniques such as light braking can help the differential redistribute torque effectively.\u003c\/p\u003e\n\u003cp\u003eManufactured from high-strength 8620 alloy steel, it is built for durability and long service life. Precision machining and heat treatment ensure it can withstand high torque loads in demanding performance environments.\u003c\/p\u003e\n\u003cp\u003eCompared to a standard open differential, the Blackline LSD provides several key advantages:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eImproved traction under acceleration\u003c\/li\u003e\n\u003cli\u003eReduced inside wheel spin when cornering\u003c\/li\u003e\n\u003cli\u003eSmoother and faster response than viscous LSD systems\u003c\/li\u003e\n\u003cli\u003eProgressive engagement without harsh locking\u003c\/li\u003e\n\u003cli\u003eNo clutch plates to wear or require servicing\u003c\/li\u003e\n\u003cli\u003eQuiet operation suitable for road and track use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe differential is designed as a direct replacement for the original unit, fitting the 188mm medium case diffs, used in the vehicles listed below.\u003c\/p\u003e","brand":"Blackline","offers":[{"title":"Default Title","offer_id":44039572881724,"sku":"MLR.BSF","price":524.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/0703\/4172\/files\/hlf024_webp.webp?v=1769446157"},{"product_id":"blackline-hlf020-bmw-168l-small-case-helical-gear-lsd","title":"Blackline HLF020 BMW 168L Small Case Helical Gear LSD","description":"\u003cp\u003eThe Blackline HLF020 helical limited-slip differential is designed for BMW models fitted with the 168mm 168L small case differential, providing a direct performance upgrade over the standard open differential. By intelligently distributing torque between the driven wheels, it improves traction, cornering stability and power delivery, making it ideal for fast road and track use.\u003c\/p\u003e\n\u003cp\u003eUnlike clutch-type differentials, this LSD uses a precision helical gear torque-biasing design, eliminating clutch plates and the associated wear. This results in smooth, progressive engagement with minimal noise and virtually no maintenance requirements.\u003c\/p\u003e\n\u003cp\u003eIt is a torque-biasing differential that automatically transfers torque to the wheel with the most available grip. This significantly improves traction during acceleration, particularly when exiting corners or driving in low-grip conditions.\u003c\/p\u003e\n\u003cp\u003eInside the differential, parallel-axis helical gears generate internal thrust forces proportional to the applied torque. These forces create resistance within the differential housing, allowing torque to be directed to the wheel with greater traction while maintaining smooth operation during normal driving.\u003c\/p\u003e\n\u003cp\u003eWith a 5:1 torque bias ratio, the Blackline LSD can transfer up to five times more torque to the wheel with the most grip. This allows the differential to handle significant traction imbalances while maintaining predictable and stable handling. In rare situations where one wheel has completely lost traction, techniques such as light braking can help the differential redistribute torque effectively.\u003c\/p\u003e\n\u003cp\u003eManufactured from high-strength 8620 alloy steel, it is built for durability and long service life. Precision machining and heat treatment ensure it can withstand high torque loads in demanding performance environments.\u003c\/p\u003e\n\u003cp\u003eCompared to a standard open differential, the Blackline LSD provides several key advantages:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eImproved traction under acceleration\u003c\/li\u003e\n\u003cli\u003eReduced inside wheel spin when cornering\u003c\/li\u003e\n\u003cli\u003eSmoother and faster response than viscous LSD systems\u003c\/li\u003e\n\u003cli\u003eProgressive engagement without harsh locking\u003c\/li\u003e\n\u003cli\u003eNo clutch plates to wear or require servicing\u003c\/li\u003e\n\u003cli\u003eQuiet operation suitable for road and track use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe differential is designed as a direct replacement for the original unit, fitting the 168mm small case diffs, used in the vehicles listed below.\u003c\/p\u003e","brand":"Blackline","offers":[{"title":"Default Title","offer_id":44039583662396,"sku":"MLR.BLR","price":524.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/0703\/4172\/files\/hlf020_webp.webp?v=1769446277"},{"product_id":"blackline-hlf051-citroen-ax-c2-saxo-ma-5-speed-gearbox-helical-gear-lsd","title":"Blackline HLF051 Citroen AX C2 Saxo MA 5 Speed Gearbox Helical Gear LSD","description":"\u003cp\u003eThe Blackline HLF051 helical limited-slip differential is designed for Citroen models fitted with the 5-speed MA gearbox, providing a direct performance upgrade over the standard open differential. By intelligently distributing torque between the driven wheels, it improves traction, cornering stability and power delivery, making it ideal for fast road and track use.\u003c\/p\u003e\n\u003cp\u003eUnlike clutch-type differentials, this LSD uses a precision helical gear torque-biasing design, eliminating clutch plates and the associated wear. This results in smooth, progressive engagement with minimal noise and virtually no maintenance requirements.\u003c\/p\u003e\n\u003cp\u003eIt is a torque-biasing differential that automatically transfers torque to the wheel with the most available grip. This significantly improves traction during acceleration, particularly when exiting corners or driving in low-grip conditions.\u003c\/p\u003e\n\u003cp\u003eInside the differential, parallel-axis helical gears generate internal thrust forces proportional to the applied torque. These forces create resistance within the differential housing, allowing torque to be directed to the wheel with greater traction while maintaining smooth operation during normal driving.\u003c\/p\u003e\n\u003cp\u003eWith a 5:1 torque bias ratio, the Blackline LSD can transfer up to five times more torque to the wheel with the most grip. This allows the differential to handle significant traction imbalances while maintaining predictable and stable handling. In rare situations where one wheel has completely lost traction, techniques such as light braking can help the differential redistribute torque effectively.\u003c\/p\u003e\n\u003cp\u003eManufactured from high-strength 8620 alloy steel, it is built for durability and long service life. Precision machining and heat treatment ensure it can withstand high torque loads in demanding performance environments.\u003c\/p\u003e\n\u003cp\u003eCompared to a standard open differential, the Blackline LSD provides several key advantages:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eImproved traction under acceleration\u003c\/li\u003e\n\u003cli\u003eReduced inside wheel spin when cornering\u003c\/li\u003e\n\u003cli\u003eSmoother and faster response than viscous LSD systems\u003c\/li\u003e\n\u003cli\u003eProgressive engagement without harsh locking\u003c\/li\u003e\n\u003cli\u003eNo clutch plates to wear or require servicing\u003c\/li\u003e\n\u003cli\u003eQuiet operation suitable for road and track use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe differential is designed as a direct replacement for the original unit, fitting the MA gearbox, used in the vehicles listed below.\u003c\/p\u003e","brand":"Blackline","offers":[{"title":"Default Title","offer_id":44039605322044,"sku":"MLR.BXA\/CIT","price":449.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/0703\/4172\/files\/hlf051_webp.webp?v=1769444149"},{"product_id":"blackline-hlf050-citroen-be3-4-gearbox-helical-gear-lsd","title":"Blackline HLF050 Citroen BE3\/4 Gearbox Helical Gear LSD","description":"\u003cp\u003eThe Blackline HLF050 helical limited-slip differential is designed for Citroen models fitted with the BE3 \u0026amp; BE4 gearboxes, providing a direct performance upgrade over the standard open differential. By intelligently distributing torque between the driven wheels, it improves traction, cornering stability and power delivery, making it ideal for fast road and track use.\u003c\/p\u003e\n\u003cp\u003eUnlike clutch-type differentials, this LSD uses a precision helical gear torque-biasing design, eliminating clutch plates and the associated wear. This results in smooth, progressive engagement with minimal noise and virtually no maintenance requirements.\u003c\/p\u003e\n\u003cp\u003eIt is a torque-biasing differential that automatically transfers torque to the wheel with the most available grip. This significantly improves traction during acceleration, particularly when exiting corners or driving in low-grip conditions.\u003c\/p\u003e\n\u003cp\u003eInside the differential, parallel-axis helical gears generate internal thrust forces proportional to the applied torque. These forces create resistance within the differential housing, allowing torque to be directed to the wheel with greater traction while maintaining smooth operation during normal driving.\u003c\/p\u003e\n\u003cp\u003eWith a 5:1 torque bias ratio, the Blackline LSD can transfer up to five times more torque to the wheel with the most grip. This allows the differential to handle significant traction imbalances while maintaining predictable and stable handling. In rare situations where one wheel has completely lost traction, techniques such as light braking can help the differential redistribute torque effectively.\u003c\/p\u003e\n\u003cp\u003eManufactured from high-strength 8620 alloy steel, it is built for durability and long service life. Precision machining and heat treatment ensure it can withstand high torque loads in demanding performance environments.\u003c\/p\u003e\n\u003cp\u003eCompared to a standard open differential, the Blackline LSD provides several key advantages:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eImproved traction under acceleration\u003c\/li\u003e\n\u003cli\u003eReduced inside wheel spin when cornering\u003c\/li\u003e\n\u003cli\u003eSmoother and faster response than viscous LSD systems\u003c\/li\u003e\n\u003cli\u003eProgressive engagement without harsh locking\u003c\/li\u003e\n\u003cli\u003eNo clutch plates to wear or require servicing\u003c\/li\u003e\n\u003cli\u003eQuiet operation suitable for road and track use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe differential is designed as a direct replacement for the original unit, fitting the BE3 \u0026amp; BE4 gearboxes, used in the vehicles listed below.\u003c\/p\u003e","brand":"Blackline","offers":[{"title":"Default Title","offer_id":44039622197564,"sku":"MLR.BMC\/CIT","price":491.66,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/0703\/4172\/files\/hlf050_webp.webp?v=1769444315"},{"product_id":"blackline-hlf012-16-ford-atlas-axle-16-spline-helical-gear-lsd","title":"Blackline HLF012\/16 Ford Atlas Axle 16 Spline Helical Gear LSD","description":"\u003cp\u003eThe Blackline HLF012 helical limited-slip differential is designed for Ford models fitted with the 16-spline Atlas axle, providing a direct performance upgrade over the standard open differential. By intelligently distributing torque between the driven wheels, it improves traction, cornering stability and power delivery, making it ideal for fast road and track use.\u003c\/p\u003e\n\u003cp\u003eUnlike clutch-type differentials, this LSD uses a precision helical gear torque-biasing design, eliminating clutch plates and the associated wear. This results in smooth, progressive engagement with minimal noise and virtually no maintenance requirements.\u003c\/p\u003e\n\u003cp\u003eIt is a torque-biasing differential that automatically transfers torque to the wheel with the most available grip. This significantly improves traction during acceleration, particularly when exiting corners or driving in low-grip conditions.\u003c\/p\u003e\n\u003cp\u003eInside the differential, parallel-axis helical gears generate internal thrust forces proportional to the applied torque. These forces create resistance within the differential housing, allowing torque to be directed to the wheel with greater traction while maintaining smooth operation during normal driving.\u003c\/p\u003e\n\u003cp\u003eWith a 5:1 torque bias ratio, the Blackline LSD can transfer up to five times more torque to the wheel with the most grip. This allows the differential to handle significant traction imbalances while maintaining predictable and stable handling. In rare situations where one wheel has completely lost traction, techniques such as light braking can help the differential redistribute torque effectively.\u003c\/p\u003e\n\u003cp\u003eManufactured from high-strength 8620 alloy steel, it is built for durability and long service life. Precision machining and heat treatment ensure it can withstand high torque loads in demanding performance environments.\u003c\/p\u003e\n\u003cp\u003eCompared to a standard open differential, the Blackline LSD provides several key advantages:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eImproved traction under acceleration\u003c\/li\u003e\n\u003cli\u003eReduced inside wheel spin when cornering\u003c\/li\u003e\n\u003cli\u003eSmoother and faster response than viscous LSD systems\u003c\/li\u003e\n\u003cli\u003eProgressive engagement without harsh locking\u003c\/li\u003e\n\u003cli\u003eNo clutch plates to wear or require servicing\u003c\/li\u003e\n\u003cli\u003eQuiet operation suitable for road and track use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe differential is designed as a direct replacement for the original unit, fitting the 16-spline Atlas axle, used in the vehicles listed below.\u003c\/p\u003e","brand":"Blackline","offers":[{"title":"Default Title","offer_id":44039634420028,"sku":"MLR.BEJ","price":416.66,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/0703\/4172\/files\/hlf012_webp.webp?v=1769440520"},{"product_id":"blackline-hlf011-18-ford-english-axle-18-spline-helical-gear-lsd","title":"Blackline HLF011\/18 Ford English Axle 18 Spline Helical Gear LSD","description":"\u003cp\u003eThe Blackline HLF011 helical limited-slip differential is designed for Ford models fitted with the 18-spline English axle, providing a direct performance upgrade over the standard open differential. By intelligently distributing torque between the driven wheels, it improves traction, cornering stability and power delivery, making it ideal for fast road and track use.\u003c\/p\u003e\n\u003cp\u003eUnlike clutch-type differentials, this LSD uses a precision helical gear torque-biasing design, eliminating clutch plates and the associated wear. This results in smooth, progressive engagement with minimal noise and virtually no maintenance requirements.\u003c\/p\u003e\n\u003cp\u003eIt is a torque-biasing differential that automatically transfers torque to the wheel with the most available grip. This significantly improves traction during acceleration, particularly when exiting corners or driving in low-grip conditions.\u003c\/p\u003e\n\u003cp\u003eInside the differential, parallel-axis helical gears generate internal thrust forces proportional to the applied torque. These forces create resistance within the differential housing, allowing torque to be directed to the wheel with greater traction while maintaining smooth operation during normal driving.\u003c\/p\u003e\n\u003cp\u003eWith a 5:1 torque bias ratio, the Blackline LSD can transfer up to five times more torque to the wheel with the most grip. This allows the differential to handle significant traction imbalances while maintaining predictable and stable handling. In rare situations where one wheel has completely lost traction, techniques such as light braking can help the differential redistribute torque effectively.\u003c\/p\u003e\n\u003cp\u003eManufactured from high-strength 8620 alloy steel, it is built for durability and long service life. Precision machining and heat treatment ensure it can withstand high torque loads in demanding performance environments.\u003c\/p\u003e\n\u003cp\u003eCompared to a standard open differential, the Blackline LSD provides several key advantages:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eImproved traction under acceleration\u003c\/li\u003e\n\u003cli\u003eReduced inside wheel spin when cornering\u003c\/li\u003e\n\u003cli\u003eSmoother and faster response than viscous LSD systems\u003c\/li\u003e\n\u003cli\u003eProgressive engagement without harsh locking\u003c\/li\u003e\n\u003cli\u003eNo clutch plates to wear or require servicing\u003c\/li\u003e\n\u003cli\u003eQuiet operation suitable for road and track use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe differential is designed as a direct replacement for the original unit, fitting the 18-spline English axle, used in the vehicles listed below.\u003c\/p\u003e","brand":"Blackline","offers":[{"title":"Default Title","offer_id":44039681376572,"sku":"MLR.CCX","price":383.33,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/0703\/4172\/files\/hlf011_2_webp.webp?v=1769440673"},{"product_id":"blackline-hlf016-ford-fiesta-st180-ib6-gearbox-helical-gear-lsd","title":"Blackline HLF016 Ford Fiesta ST180 IB6 Gearbox Helical Gear LSD","description":"\u003cp\u003eThe Blackline HLF016 helical limited-slip differential is designed for the Ford Fiesta ST180 fitted with the IB6 6-speed gearbox, providing a direct performance upgrade over the standard open differential. By intelligently distributing torque between the driven wheels, it improves traction, cornering stability and power delivery, making it ideal for fast road and track use.\u003c\/p\u003e\n\u003cp\u003eUnlike clutch-type differentials, this LSD uses a precision helical gear torque-biasing design, eliminating clutch plates and the associated wear. This results in smooth, progressive engagement with minimal noise and virtually no maintenance requirements.\u003c\/p\u003e\n\u003cp\u003eIt is a torque-biasing differential that automatically transfers torque to the wheel with the most available grip. This significantly improves traction during acceleration, particularly when exiting corners or driving in low-grip conditions.\u003c\/p\u003e\n\u003cp\u003eInside the differential, parallel-axis helical gears generate internal thrust forces proportional to the applied torque. These forces create resistance within the differential housing, allowing torque to be directed to the wheel with greater traction while maintaining smooth operation during normal driving.\u003c\/p\u003e\n\u003cp\u003eWith a 5:1 torque bias ratio, the Blackline LSD can transfer up to five times more torque to the wheel with the most grip. This allows the differential to handle significant traction imbalances while maintaining predictable and stable handling. In rare situations where one wheel has completely lost traction, techniques such as light braking can help the differential redistribute torque effectively.\u003c\/p\u003e\n\u003cp\u003eManufactured from high-strength 8620 alloy steel, it is built for durability and long service life. Precision machining and heat treatment ensure it can withstand high torque loads in demanding performance environments.\u003c\/p\u003e\n\u003cp\u003eCompared to a standard open differential, the Blackline LSD provides several key advantages:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eImproved traction under acceleration\u003c\/li\u003e\n\u003cli\u003eReduced inside wheel spin when cornering\u003c\/li\u003e\n\u003cli\u003eSmoother and faster response than viscous LSD systems\u003c\/li\u003e\n\u003cli\u003eProgressive engagement without harsh locking\u003c\/li\u003e\n\u003cli\u003eNo clutch plates to wear or require servicing\u003c\/li\u003e\n\u003cli\u003eQuiet operation suitable for road and track use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe differential is designed as a direct replacement for the original unit, fitting the IB6 6-speed gearbox, used in the vehicles listed below.\u003c\/p\u003e","brand":"Blackline","offers":[{"title":"Default Title","offer_id":44039699595580,"sku":"MLR.BTS","price":416.66,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/0703\/4172\/files\/hlf016_webp.webp?v=1769444483"},{"product_id":"blackline-hlf171-m66-6-speed-helical-gear-lsd","title":"Blackline HLF171 M66 Ford Focus MK2 ST225 6 Speed Helical Gear LSD","description":"\u003cp\u003eThe Blackline HLF171 helical limited-slip differential is designed for the Ford Focus MK2 ST fitted with the M66 6-speed gearbox, providing a direct performance upgrade over the standard open differential. By intelligently distributing torque between the driven wheels, it improves traction, cornering stability and power delivery, making it ideal for fast road and track use.\u003c\/p\u003e\n\u003cp\u003eUnlike clutch-type differentials, this LSD uses a precision helical gear torque-biasing design, eliminating clutch plates and the associated wear. This results in smooth, progressive engagement with minimal noise and virtually no maintenance requirements.\u003c\/p\u003e\n\u003cp\u003eIt is a torque-biasing differential that automatically transfers torque to the wheel with the most available grip. This significantly improves traction during acceleration, particularly when exiting corners or driving in low-grip conditions.\u003c\/p\u003e\n\u003cp\u003eInside the differential, parallel-axis helical gears generate internal thrust forces proportional to the applied torque. These forces create resistance within the differential housing, allowing torque to be directed to the wheel with greater traction while maintaining smooth operation during normal driving.\u003c\/p\u003e\n\u003cp\u003eWith a 5:1 torque bias ratio, the Blackline LSD can transfer up to five times more torque to the wheel with the most grip. This allows the differential to handle significant traction imbalances while maintaining predictable and stable handling. In rare situations where one wheel has completely lost traction, techniques such as light braking can help the differential redistribute torque effectively.\u003c\/p\u003e\n\u003cp\u003eManufactured from high-strength 8620 alloy steel, it is built for durability and long service life. Precision machining and heat treatment ensure it can withstand high torque loads in demanding performance environments.\u003c\/p\u003e\n\u003cp\u003eCompared to a standard open differential, the Blackline LSD provides several key advantages:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eImproved traction under acceleration\u003c\/li\u003e\n\u003cli\u003eReduced inside wheel spin when cornering\u003c\/li\u003e\n\u003cli\u003eSmoother and faster response than viscous LSD systems\u003c\/li\u003e\n\u003cli\u003eProgressive engagement without harsh locking\u003c\/li\u003e\n\u003cli\u003eNo clutch plates to wear or require servicing\u003c\/li\u003e\n\u003cli\u003eQuiet operation suitable for road and track use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe differential is designed as a direct replacement for the original unit, fitting the M66 6-speed gearbox, used in the vehicles listed below.\u003c\/p\u003e","brand":"Blackline","offers":[{"title":"Default Title","offer_id":44039711916348,"sku":"MLR.BWH\/FOR","price":449.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/0703\/4172\/files\/HLF171_webp.webp?v=1769441331"},{"product_id":"blackline-hlf022-bmw-188-medium-case-helical-gear-lsd","title":"Blackline HLF022 BMW 188 Medium Case Helical Gear LSD","description":"\u003cp\u003eThe Blackline HLF022 helical limited-slip differential is designed for BMW models fitted with the 188mm medium case differential, providing a direct performance upgrade over the standard open differential. By intelligently distributing torque between the driven wheels, it improves traction, cornering stability and power delivery, making it ideal for fast road and track use.\u003c\/p\u003e\n\u003cp\u003eUnlike clutch-type differentials, this LSD uses a precision helical gear torque-biasing design, eliminating clutch plates and the associated wear. This results in smooth, progressive engagement with minimal noise and virtually no maintenance requirements.\u003c\/p\u003e\n\u003cp\u003eIt is a torque-biasing differential that automatically transfers torque to the wheel with the most available grip. This significantly improves traction during acceleration, particularly when exiting corners or driving in low-grip conditions.\u003c\/p\u003e\n\u003cp\u003eInside the differential, parallel-axis helical gears generate internal thrust forces proportional to the applied torque. These forces create resistance within the differential housing, allowing torque to be directed to the wheel with greater traction while maintaining smooth operation during normal driving.\u003c\/p\u003e\n\u003cp\u003eWith a 5:1 torque bias ratio, the Blackline LSD can transfer up to five times more torque to the wheel with the most grip. This allows the differential to handle significant traction imbalances while maintaining predictable and stable handling. In rare situations where one wheel has completely lost traction, techniques such as light braking can help the differential redistribute torque effectively.\u003c\/p\u003e\n\u003cp\u003eManufactured from high-strength 8620 alloy steel, it is built for durability and long service life. Precision machining and heat treatment ensure it can withstand high torque loads in demanding performance environments.\u003c\/p\u003e\n\u003cp\u003eCompared to a standard open differential, the Blackline LSD provides several key advantages:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eImproved traction under acceleration\u003c\/li\u003e\n\u003cli\u003eReduced inside wheel spin when cornering\u003c\/li\u003e\n\u003cli\u003eSmoother and faster response than viscous LSD systems\u003c\/li\u003e\n\u003cli\u003eProgressive engagement without harsh locking\u003c\/li\u003e\n\u003cli\u003eNo clutch plates to wear or require servicing\u003c\/li\u003e\n\u003cli\u003eQuiet operation suitable for road and track use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe differential is designed as a direct replacement for the original unit, fitting the 188mm medium case differential, used in the vehicles listed below.\u003c\/p\u003e","brand":"Blackline","offers":[{"title":"Default Title","offer_id":44043722948924,"sku":"MLR.BSD","price":524.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/0703\/4172\/files\/hlf022_webp.webp?v=1769446338"},{"product_id":"blackline-hlf021-bmw-168-small-case-helical-gear-lsd","title":"Blackline HLF021 BMW 168 Small Case Helical Gear LSD","description":"\u003cp\u003eThe Blackline HLF021 helical limited-slip differential is designed for BMW models fitted with the 168mm small case differential, providing a direct performance upgrade over the standard open differential. By intelligently distributing torque between the driven wheels, it improves traction, cornering stability and power delivery, making it ideal for fast road and track use.\u003c\/p\u003e\n\u003cp\u003eUnlike clutch-type differentials, this LSD uses a precision helical gear torque-biasing design, eliminating clutch plates and the associated wear. This results in smooth, progressive engagement with minimal noise and virtually no maintenance requirements.\u003c\/p\u003e\n\u003cp\u003eIt is a torque-biasing differential that automatically transfers torque to the wheel with the most available grip. This significantly improves traction during acceleration, particularly when exiting corners or driving in low-grip conditions.\u003c\/p\u003e\n\u003cp\u003eInside the differential, parallel-axis helical gears generate internal thrust forces proportional to the applied torque. These forces create resistance within the differential housing, allowing torque to be directed to the wheel with greater traction while maintaining smooth operation during normal driving.\u003c\/p\u003e\n\u003cp\u003eWith a 5:1 torque bias ratio, the Blackline LSD can transfer up to five times more torque to the wheel with the most grip. This allows the differential to handle significant traction imbalances while maintaining predictable and stable handling. In rare situations where one wheel has completely lost traction, techniques such as light braking can help the differential redistribute torque effectively.\u003c\/p\u003e\n\u003cp\u003eManufactured from high-strength 8620 alloy steel, it is built for durability and long service life. Precision machining and heat treatment ensure it can withstand high torque loads in demanding performance environments.\u003c\/p\u003e\n\u003cp\u003eCompared to a standard open differential, the Blackline LSD provides several key advantages:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eImproved traction under acceleration\u003c\/li\u003e\n\u003cli\u003eReduced inside wheel spin when cornering\u003c\/li\u003e\n\u003cli\u003eSmoother and faster response than viscous LSD systems\u003c\/li\u003e\n\u003cli\u003eProgressive engagement without harsh locking\u003c\/li\u003e\n\u003cli\u003eNo clutch plates to wear or require servicing\u003c\/li\u003e\n\u003cli\u003eQuiet operation suitable for road and track use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe differential is designed as a direct replacement for the original unit, fitting the 168mm small case differential, used in the vehicles listed below.\u003c\/p\u003e","brand":"Blackline","offers":[{"title":"Default Title","offer_id":44043737923900,"sku":"MLR.BSC","price":524.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/0703\/4172\/files\/hlf021_webp.webp?v=1769446664"},{"product_id":"blackline-hlf015-bmw-mini-getrag-285-helical-gear-lsd","title":"Blackline HLF015 BMW Mini Getrag 285 Helical Gear LSD","description":"\u003cp\u003eThe Blackline HLF015 helical limited-slip differential is designed for BMW Mini models fitted with the 6-speed Getrag gearbox, providing a direct performance upgrade over the standard open differential. By intelligently distributing torque between the driven wheels, it improves traction, cornering stability and power delivery, making it ideal for fast road and track use.\u003c\/p\u003e\n\u003cp\u003eUnlike clutch-type differentials, this LSD uses a precision helical gear torque-biasing design, eliminating clutch plates and the associated wear. This results in smooth, progressive engagement with minimal noise and virtually no maintenance requirements.\u003c\/p\u003e\n\u003cp\u003eIt is a torque-biasing differential that automatically transfers torque to the wheel with the most available grip. This significantly improves traction during acceleration, particularly when exiting corners or driving in low-grip conditions.\u003c\/p\u003e\n\u003cp\u003eInside the differential, parallel-axis helical gears generate internal thrust forces proportional to the applied torque. These forces create resistance within the differential housing, allowing torque to be directed to the wheel with greater traction while maintaining smooth operation during normal driving.\u003c\/p\u003e\n\u003cp\u003eWith a 5:1 torque bias ratio, the Blackline LSD can transfer up to five times more torque to the wheel with the most grip. This allows the differential to handle significant traction imbalances while maintaining predictable and stable handling. In rare situations where one wheel has completely lost traction, techniques such as light braking can help the differential redistribute torque effectively.\u003c\/p\u003e\n\u003cp\u003eManufactured from high-strength 8620 alloy steel, it is built for durability and long service life. Precision machining and heat treatment ensure it can withstand high torque loads in demanding performance environments.\u003c\/p\u003e\n\u003cp\u003eCompared to a standard open differential, the Blackline LSD provides several key advantages:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eImproved traction under acceleration\u003c\/li\u003e\n\u003cli\u003eReduced inside wheel spin when cornering\u003c\/li\u003e\n\u003cli\u003eSmoother and faster response than viscous LSD systems\u003c\/li\u003e\n\u003cli\u003eProgressive engagement without harsh locking\u003c\/li\u003e\n\u003cli\u003eNo clutch plates to wear or require servicing\u003c\/li\u003e\n\u003cli\u003eQuiet operation suitable for road and track use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe differential is designed as a direct replacement for the original unit, fitting the 6-speed Getrag gearbox used in the vehicles listed below.\u003c\/p\u003e","brand":"Blackline","offers":[{"title":"Default Title","offer_id":44043789205820,"sku":"MLR.BNC\/MIN","price":416.66,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/0703\/4172\/files\/hlf015_webp.webp?v=1769444520"},{"product_id":"blackline-hlf013-ford-bc-ib5-gearbox-helical-gear-lsd","title":"Blackline HLF013 Ford BC IB5 Gearbox Helical Gear LSD","description":"\u003cp\u003eThe Blackline HLF013 helical limited-slip differential is designed for Ford models fitted with the BC \u0026amp; IB5 gearboxes, providing a direct performance upgrade over the standard open differential. By intelligently distributing torque between the driven wheels, it improves traction, cornering stability and power delivery, making it ideal for fast road and track use.\u003c\/p\u003e\n\u003cp\u003eUnlike clutch-type differentials, this LSD uses a precision helical gear torque-biasing design, eliminating clutch plates and the associated wear. This results in smooth, progressive engagement with minimal noise and virtually no maintenance requirements.\u003c\/p\u003e\n\u003cp\u003eIt is a torque-biasing differential that automatically transfers torque to the wheel with the most available grip. This significantly improves traction during acceleration, particularly when exiting corners or driving in low-grip conditions.\u003c\/p\u003e\n\u003cp\u003eInside the differential, parallel-axis helical gears generate internal thrust forces proportional to the applied torque. These forces create resistance within the differential housing, allowing torque to be directed to the wheel with greater traction while maintaining smooth operation during normal driving.\u003c\/p\u003e\n\u003cp\u003eWith a 5:1 torque bias ratio, the Blackline LSD can transfer up to five times more torque to the wheel with the most grip. This allows the differential to handle significant traction imbalances while maintaining predictable and stable handling. In rare situations where one wheel has completely lost traction, techniques such as light braking can help the differential redistribute torque effectively.\u003c\/p\u003e\n\u003cp\u003eManufactured from high-strength 8620 alloy steel, it is built for durability and long service life. Precision machining and heat treatment ensure it can withstand high torque loads in demanding performance environments.\u003c\/p\u003e\n\u003cp\u003eCompared to a standard open differential, the Blackline LSD provides several key advantages:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eImproved traction under acceleration\u003c\/li\u003e\n\u003cli\u003eReduced inside wheel spin when cornering\u003c\/li\u003e\n\u003cli\u003eSmoother and faster response than viscous LSD systems\u003c\/li\u003e\n\u003cli\u003eProgressive engagement without harsh locking\u003c\/li\u003e\n\u003cli\u003eNo clutch plates to wear or require servicing\u003c\/li\u003e\n\u003cli\u003eQuiet operation suitable for road and track use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe differential is designed as a direct replacement for the original unit, fitting the BC \u0026amp; IB5 gearboxes used in the vehicles listed below.\u003c\/p\u003e","brand":"Blackline","offers":[{"title":"Default Title","offer_id":44043811160380,"sku":"MLR.BKI","price":416.66,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/0703\/4172\/files\/hlf013_webp.webp?v=1769444621"},{"product_id":"blackline-hlf014-ford-sierra-7-helical-gear-lsd","title":"Blackline HLF014 Ford Sierra 7\" Helical Gear LSD","description":"\u003cp\u003eThe Blackline HLF014 helical limited-slip differential is designed for Ford models fitted with the Sierra 7-inch differential, providing a direct performance upgrade over the standard open differential. By intelligently distributing torque between the driven wheels, it improves traction, cornering stability and power delivery, making it ideal for fast road and track use.\u003c\/p\u003e\n\u003cp\u003eUnlike clutch-type differentials, this LSD uses a precision helical gear torque-biasing design, eliminating clutch plates and the associated wear. This results in smooth, progressive engagement with minimal noise and virtually no maintenance requirements.\u003c\/p\u003e\n\u003cp\u003eIt is a torque-biasing differential that automatically transfers torque to the wheel with the most available grip. This significantly improves traction during acceleration, particularly when exiting corners or driving in low-grip conditions.\u003c\/p\u003e\n\u003cp\u003eInside the differential, parallel-axis helical gears generate internal thrust forces proportional to the applied torque. These forces create resistance within the differential housing, allowing torque to be directed to the wheel with greater traction while maintaining smooth operation during normal driving.\u003c\/p\u003e\n\u003cp\u003eWith a 5:1 torque bias ratio, the Blackline LSD can transfer up to five times more torque to the wheel with the most grip. This allows the differential to handle significant traction imbalances while maintaining predictable and stable handling. In rare situations where one wheel has completely lost traction, techniques such as light braking can help the differential redistribute torque effectively.\u003c\/p\u003e\n\u003cp\u003eManufactured from high-strength 8620 alloy steel, it is built for durability and long service life. Precision machining and heat treatment ensure it can withstand high torque loads in demanding performance environments.\u003c\/p\u003e\n\u003cp\u003eCompared to a standard open differential, the Blackline LSD provides several key advantages:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eImproved traction under acceleration\u003c\/li\u003e\n\u003cli\u003eReduced inside wheel spin when cornering\u003c\/li\u003e\n\u003cli\u003eSmoother and faster response than viscous LSD systems\u003c\/li\u003e\n\u003cli\u003eProgressive engagement without harsh locking\u003c\/li\u003e\n\u003cli\u003eNo clutch plates to wear or require servicing\u003c\/li\u003e\n\u003cli\u003eQuiet operation suitable for road and track use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe differential is designed as a direct replacement for the original unit, fitting the 7-inch differential used in the vehicles listed below.\u003c\/p\u003e","brand":"Blackline","offers":[{"title":"Default Title","offer_id":44043833639228,"sku":"MLR.BLQ","price":416.66,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/0703\/4172\/files\/hlf014_webp.webp?v=1769444594"},{"product_id":"blackline-hlf018-28-ford-usa-8-28-spline-helical-gear-lsd","title":"Blackline HLF018\/28 Ford USA 8\" 28 Spline Helical Gear LSD","description":"\u003cp\u003eThe Blackline HLF018 helical limited-slip differential is designed for Ford USA models fitted with the 8-inch 28-spline differential, providing a direct performance upgrade over the standard open differential. By intelligently distributing torque between the driven wheels, it improves traction, cornering stability and power delivery, making it ideal for fast road and track use.\u003c\/p\u003e\n\u003cp\u003eUnlike clutch-type differentials, this LSD uses a precision helical gear torque-biasing design, eliminating clutch plates and the associated wear. This results in smooth, progressive engagement with minimal noise and virtually no maintenance requirements.\u003c\/p\u003e\n\u003cp\u003eIt is a torque-biasing differential that automatically transfers torque to the wheel with the most available grip. This significantly improves traction during acceleration, particularly when exiting corners or driving in low-grip conditions.\u003c\/p\u003e\n\u003cp\u003eInside the differential, parallel-axis helical gears generate internal thrust forces proportional to the applied torque. These forces create resistance within the differential housing, allowing torque to be directed to the wheel with greater traction while maintaining smooth operation during normal driving.\u003c\/p\u003e\n\u003cp\u003eWith a 5:1 torque bias ratio, the Blackline LSD can transfer up to five times more torque to the wheel with the most grip. This allows the differential to handle significant traction imbalances while maintaining predictable and stable handling. In rare situations where one wheel has completely lost traction, techniques such as light braking can help the differential redistribute torque effectively.\u003c\/p\u003e\n\u003cp\u003eManufactured from high-strength 8620 alloy steel, it is built for durability and long service life. Precision machining and heat treatment ensure it can withstand high torque loads in demanding performance environments.\u003c\/p\u003e\n\u003cp\u003eCompared to a standard open differential, the Blackline LSD provides several key advantages:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eImproved traction under acceleration\u003c\/li\u003e\n\u003cli\u003eReduced inside wheel spin when cornering\u003c\/li\u003e\n\u003cli\u003eSmoother and faster response than viscous LSD systems\u003c\/li\u003e\n\u003cli\u003eProgressive engagement without harsh locking\u003c\/li\u003e\n\u003cli\u003eNo clutch plates to wear or require servicing\u003c\/li\u003e\n\u003cli\u003eQuiet operation suitable for road and track use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe differential is designed as a direct replacement for the original unit, fitting the 8-inch 28-spline differential used in the vehicles listed below.\u003c\/p\u003e","brand":"Blackline","offers":[{"title":"Default Title","offer_id":44043859001660,"sku":"MLR.BVL","price":416.66,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/0703\/4172\/files\/hlf017_webp.webp?v=1769444372"},{"product_id":"blackline-hlf017-28-ford-usa-9-28-spline-helical-gear-lsd","title":"Blackline HLF017\/28 Ford USA 9\" 28 Spline Helical Gear LSD","description":"\u003cp\u003eThe Blackline HLF017 helical limited-slip differential is designed for Ford USA models fitted with the 9-inch 28-spline differential, providing a direct performance upgrade over the standard open differential. By intelligently distributing torque between the driven wheels, it improves traction, cornering stability and power delivery, making it ideal for fast road and track use.\u003c\/p\u003e\n\u003cp\u003eUnlike clutch-type differentials, this LSD uses a precision helical gear torque-biasing design, eliminating clutch plates and the associated wear. This results in smooth, progressive engagement with minimal noise and virtually no maintenance requirements.\u003c\/p\u003e\n\u003cp\u003eIt is a torque-biasing differential that automatically transfers torque to the wheel with the most available grip. This significantly improves traction during acceleration, particularly when exiting corners or driving in low-grip conditions.\u003c\/p\u003e\n\u003cp\u003eInside the differential, parallel-axis helical gears generate internal thrust forces proportional to the applied torque. These forces create resistance within the differential housing, allowing torque to be directed to the wheel with greater traction while maintaining smooth operation during normal driving.\u003c\/p\u003e\n\u003cp\u003eWith a 5:1 torque bias ratio, the Blackline LSD can transfer up to five times more torque to the wheel with the most grip. This allows the differential to handle significant traction imbalances while maintaining predictable and stable handling. In rare situations where one wheel has completely lost traction, techniques such as light braking can help the differential redistribute torque effectively.\u003c\/p\u003e\n\u003cp\u003eManufactured from high-strength 8620 alloy steel, it is built for durability and long service life. Precision machining and heat treatment ensure it can withstand high torque loads in demanding performance environments.\u003c\/p\u003e\n\u003cp\u003eCompared to a standard open differential, the Blackline LSD provides several key advantages:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eImproved traction under acceleration\u003c\/li\u003e\n\u003cli\u003eReduced inside wheel spin when cornering\u003c\/li\u003e\n\u003cli\u003eSmoother and faster response than viscous LSD systems\u003c\/li\u003e\n\u003cli\u003eProgressive engagement without harsh locking\u003c\/li\u003e\n\u003cli\u003eNo clutch plates to wear or require servicing\u003c\/li\u003e\n\u003cli\u003eQuiet operation suitable for road and track use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe differential is designed as a direct replacement for the original unit, fitting the 9-inch 28-spline differential used in the vehicles listed below.\u003c\/p\u003e","brand":"Blackline","offers":[{"title":"Default Title","offer_id":44043881873724,"sku":"MLR.BTV","price":416.66,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/0703\/4172\/files\/hlf017_webp.webp?v=1769444372"},{"product_id":"blackline-plf100-ford-atlas-axle-18-spline-plate-lsd","title":"Blackline PLF100 Ford Atlas Axle 18 Spline Plate LSD","description":"\u003cp\u003eDelivers balanced rotational force to both wheels while intelligently distributing torque based on available grip. Engineered for progressive engagement, it provides predictable power delivery during aggressive launches and controlled slides, enhancing driver command. Constructed from premium 8620 steel for durability and strength. A direct OEM-spec replacement for your Ford English axle, featuring 22-spline compatibility and precision-manufactured gears for seamless integration.\u003c\/p\u003e","brand":"Blackline","offers":[{"title":"Default Title","offer_id":44060773646652,"sku":"MLR.BQX","price":416.66,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/0703\/4172\/files\/plf1001_webp.webp?v=1770725532"},{"product_id":"blackline-plf120-18-ford-english-axle-18-spline-plate-lsd","title":"Blackline PLF120\/18 Ford English Axle 18 Spline Plate LSD","description":"\u003cp\u003eDelivers balanced rotational force to both wheels while intelligently distributing torque based on available grip. Engineered for progressive engagement, it provides predictable power delivery during aggressive launches and controlled slides, enhancing driver command. Constructed from premium 8620 steel for durability and strength. A direct OEM-spec replacement for your Ford English axle, featuring 22-spline compatibility and precision-manufactured gears for seamless integration.\u003c\/p\u003e","brand":"Blackline","offers":[{"title":"Default Title","offer_id":44063928877372,"sku":"MLR.BQV","price":416.66,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/0703\/4172\/files\/plf120_webp.webp?v=1770725568"},{"product_id":"blackline-plf120-22-ford-english-axle-22-spline-plate-lsd","title":"Blackline PLF120\/22 Ford English Axle 22 Spline Plate LSD","description":"\u003cp\u003eDelivers balanced rotational force to both wheels while intelligently distributing torque based on available grip. 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These forces create resistance within the differential housing, allowing torque to be directed to the wheel with greater traction while maintaining smooth operation during normal driving.\u003c\/p\u003e\n\u003cp\u003eWith a 5:1 torque bias ratio, the Blackline LSD can transfer up to five times more torque to the wheel with the most grip. This allows the differential to handle significant traction imbalances while maintaining predictable and stable handling. In rare situations where one wheel has completely lost traction, techniques such as light braking can help the differential redistribute torque effectively.\u003c\/p\u003e\n\u003cp\u003eManufactured from high-strength 8620 alloy steel, it is built for durability and long service life. Precision machining and heat treatment ensure it can withstand high torque loads in demanding performance environments.\u003c\/p\u003e\n\u003cp\u003eCompared to a standard open differential, the Blackline LSD provides several key advantages:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eImproved traction under acceleration\u003c\/li\u003e\n\u003cli\u003eReduced inside wheel spin when cornering\u003c\/li\u003e\n\u003cli\u003eSmoother and faster response than viscous LSD systems\u003c\/li\u003e\n\u003cli\u003eProgressive engagement without harsh locking\u003c\/li\u003e\n\u003cli\u003eNo clutch plates to wear or require servicing\u003c\/li\u003e\n\u003cli\u003eQuiet operation suitable for road and track use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe differential is designed as a direct replacement for the original unit, fitting the Y21\/Y80\/S80 \u0026amp; S4C gearboxes used in the vehicles listed below.\u003c\/p\u003e","brand":"Blackline","offers":[{"title":"Default Title","offer_id":44069493506364,"sku":"MLR.BZP","price":499.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/0703\/4172\/files\/hlf092_webp.webp?v=1769441800"},{"product_id":"blackline-hlf090-honda-k20-k24-helical-gear-lsd","title":"Blackline HLF090 Honda K20 K24 Helical Gear LSD","description":"\u003cp\u003eThe Blackline HLF090 helical limited-slip differential is designed for Honda Civic \u0026amp; Integra Type R models fitted with the K20\/K24 gearboxes, providing a direct performance upgrade over the standard open differential. By intelligently distributing torque between the driven wheels, it improves traction, cornering stability and power delivery, making it ideal for fast road and track use.\u003c\/p\u003e\n\u003cp\u003eUnlike clutch-type differentials, this LSD uses a precision helical gear torque-biasing design, eliminating clutch plates and the associated wear. This results in smooth, progressive engagement with minimal noise and virtually no maintenance requirements.\u003c\/p\u003e\n\u003cp\u003eIt is a torque-biasing differential that automatically transfers torque to the wheel with the most available grip. This significantly improves traction during acceleration, particularly when exiting corners or driving in low-grip conditions.\u003c\/p\u003e\n\u003cp\u003eInside the differential, parallel-axis helical gears generate internal thrust forces proportional to the applied torque. These forces create resistance within the differential housing, allowing torque to be directed to the wheel with greater traction while maintaining smooth operation during normal driving.\u003c\/p\u003e\n\u003cp\u003eWith a 5:1 torque bias ratio, the Blackline LSD can transfer up to five times more torque to the wheel with the most grip. This allows the differential to handle significant traction imbalances while maintaining predictable and stable handling. In rare situations where one wheel has completely lost traction, techniques such as light braking can help the differential redistribute torque effectively.\u003c\/p\u003e\n\u003cp\u003eManufactured from high-strength 8620 alloy steel, it is built for durability and long service life. Precision machining and heat treatment ensure it can withstand high torque loads in demanding performance environments.\u003c\/p\u003e\n\u003cp\u003eCompared to a standard open differential, the Blackline LSD provides several key advantages:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eImproved traction under acceleration\u003c\/li\u003e\n\u003cli\u003eReduced inside wheel spin when cornering\u003c\/li\u003e\n\u003cli\u003eSmoother and faster response than viscous LSD systems\u003c\/li\u003e\n\u003cli\u003eProgressive engagement without harsh locking\u003c\/li\u003e\n\u003cli\u003eNo clutch plates to wear or require servicing\u003c\/li\u003e\n\u003cli\u003eQuiet operation suitable for road and track use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe differential is designed as a direct replacement for the original unit, fitting the 4HA axle used in the vehicles listed below.\u003c\/p\u003e","brand":"Blackline","offers":[{"title":"Default Title","offer_id":44069515985212,"sku":"MLR.BRU","price":424.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/0703\/4172\/files\/hlf090_webp.webp?v=1769441882"},{"product_id":"blackline-hlf140-jaguar-4ha-axle-helical-gear-lsd","title":"Blackline HLF140 Jaguar 4HA Axle Helical Gear LSD","description":"\u003cp\u003eThe Blackline HLF140 helical limited-slip differential is designed for Jaguar models fitted with the 4HA axle, providing a direct performance upgrade over the standard open differential. By intelligently distributing torque between the driven wheels, it improves traction, cornering stability and power delivery, making it ideal for fast road and track use.\u003c\/p\u003e\n\u003cp\u003eUnlike clutch-type differentials, this LSD uses a precision helical gear torque-biasing design, eliminating clutch plates and the associated wear. This results in smooth, progressive engagement with minimal noise and virtually no maintenance requirements.\u003c\/p\u003e\n\u003cp\u003eIt is a torque-biasing differential that automatically transfers torque to the wheel with the most available grip. This significantly improves traction during acceleration, particularly when exiting corners or driving in low-grip conditions.\u003c\/p\u003e\n\u003cp\u003eInside the differential, parallel-axis helical gears generate internal thrust forces proportional to the applied torque. These forces create resistance within the differential housing, allowing torque to be directed to the wheel with greater traction while maintaining smooth operation during normal driving.\u003c\/p\u003e\n\u003cp\u003eWith a 5:1 torque bias ratio, the Blackline LSD can transfer up to five times more torque to the wheel with the most grip. This allows the differential to handle significant traction imbalances while maintaining predictable and stable handling. In rare situations where one wheel has completely lost traction, techniques such as light braking can help the differential redistribute torque effectively.\u003c\/p\u003e\n\u003cp\u003eManufactured from high-strength 8620 alloy steel, it is built for durability and long service life. Precision machining and heat treatment ensure it can withstand high torque loads in demanding performance environments.\u003c\/p\u003e\n\u003cp\u003eCompared to a standard open differential, the Blackline LSD provides several key advantages:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eImproved traction under acceleration\u003c\/li\u003e\n\u003cli\u003eReduced inside wheel spin when cornering\u003c\/li\u003e\n\u003cli\u003eSmoother and faster response than viscous LSD systems\u003c\/li\u003e\n\u003cli\u003eProgressive engagement without harsh locking\u003c\/li\u003e\n\u003cli\u003eNo clutch plates to wear or require servicing\u003c\/li\u003e\n\u003cli\u003eQuiet operation suitable for road and track use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe differential is designed as a direct replacement for the original unit, fitting the 4HA axle used in the vehicles listed below.\u003c\/p\u003e","brand":"Blackline","offers":[{"title":"Default Title","offer_id":44069544919356,"sku":"MLR.BXC","price":491.66,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/0703\/4172\/files\/hlf140_webp.webp?v=1769441718"},{"product_id":"blackline-hlf130-land-rover-range-rover-helical-gear-lsd","title":"Blackline HLF130 Land Rover Range Rover Helical Gear LSD","description":"\u003cp\u003eThe Blackline HLF130 helical limited-slip differential is designed for Land Rover \u0026amp; Range Rover models, providing a direct performance upgrade over the standard open differential. By intelligently distributing torque between the driven wheels, it improves traction, cornering stability and power delivery, making it ideal for fast road and track use.\u003c\/p\u003e\n\u003cp\u003eUnlike clutch-type differentials, this LSD uses a precision helical gear torque-biasing design, eliminating clutch plates and the associated wear. This results in smooth, progressive engagement with minimal noise and virtually no maintenance requirements.\u003c\/p\u003e\n\u003cp\u003eIt is a torque-biasing differential that automatically transfers torque to the wheel with the most available grip. This significantly improves traction during acceleration, particularly when exiting corners or driving in low-grip conditions.\u003c\/p\u003e\n\u003cp\u003eInside the differential, parallel-axis helical gears generate internal thrust forces proportional to the applied torque. These forces create resistance within the differential housing, allowing torque to be directed to the wheel with greater traction while maintaining smooth operation during normal driving.\u003c\/p\u003e\n\u003cp\u003eWith a 5:1 torque bias ratio, the Blackline LSD can transfer up to five times more torque to the wheel with the most grip. This allows the differential to handle significant traction imbalances while maintaining predictable and stable handling. In rare situations where one wheel has completely lost traction, techniques such as light braking can help the differential redistribute torque effectively.\u003c\/p\u003e\n\u003cp\u003eManufactured from high-strength 8620 alloy steel, it is built for durability and long service life. Precision machining and heat treatment ensure it can withstand high torque loads in demanding performance environments.\u003c\/p\u003e\n\u003cp\u003eCompared to a standard open differential, the Blackline LSD provides several key advantages:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eImproved traction under acceleration\u003c\/li\u003e\n\u003cli\u003eReduced inside wheel spin when cornering\u003c\/li\u003e\n\u003cli\u003eSmoother and faster response than viscous LSD systems\u003c\/li\u003e\n\u003cli\u003eProgressive engagement without harsh locking\u003c\/li\u003e\n\u003cli\u003eNo clutch plates to wear or require servicing\u003c\/li\u003e\n\u003cli\u003eQuiet operation suitable for road and track use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe differential is designed as a direct replacement for the original unit, fitting the vehicles listed below.\u003c\/p\u003e","brand":"Blackline","offers":[{"title":"Default Title","offer_id":44069561860412,"sku":"MLR.BRR","price":474.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/0703\/4172\/files\/hlf130_webp.webp?v=1769441758"},{"product_id":"blackline-hlf160-brz-gt86-is300-helical-gear-lsd","title":"Blackline HLF160 Subaru BRZ Helical Gear LSD","description":"\u003cp\u003eThe Blackline HLF160 helical limited-slip differential is designed for the Subaru BRZ, fitted with manual \u0026amp; automatic gearboxes, providing a direct performance upgrade over the standard open differential. By intelligently distributing torque between the driven wheels, it improves traction, cornering stability and power delivery, making it ideal for fast road and track use.\u003c\/p\u003e\n\u003cp\u003eUnlike clutch-type differentials, this LSD uses a precision helical gear torque-biasing design, eliminating clutch plates and the associated wear. This results in smooth, progressive engagement with minimal noise and virtually no maintenance requirements.\u003c\/p\u003e\n\u003cp\u003eIt is a torque-biasing differential that automatically transfers torque to the wheel with the most available grip. This significantly improves traction during acceleration, particularly when exiting corners or driving in low-grip conditions.\u003c\/p\u003e\n\u003cp\u003eInside the differential, parallel-axis helical gears generate internal thrust forces proportional to the applied torque. These forces create resistance within the differential housing, allowing torque to be directed to the wheel with greater traction while maintaining smooth operation during normal driving.\u003c\/p\u003e\n\u003cp\u003eWith a 5:1 torque bias ratio, the Blackline LSD can transfer up to five times more torque to the wheel with the most grip. This allows the differential to handle significant traction imbalances while maintaining predictable and stable handling. In rare situations where one wheel has completely lost traction, techniques such as light braking can help the differential redistribute torque effectively.\u003c\/p\u003e\n\u003cp\u003eManufactured from high-strength 8620 alloy steel, it is built for durability and long service life. Precision machining and heat treatment ensure it can withstand high torque loads in demanding performance environments.\u003c\/p\u003e\n\u003cp\u003eCompared to a standard open differential, the Blackline LSD provides several key advantages:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eImproved traction under acceleration\u003c\/li\u003e\n\u003cli\u003eReduced inside wheel spin when cornering\u003c\/li\u003e\n\u003cli\u003eSmoother and faster response than viscous LSD systems\u003c\/li\u003e\n\u003cli\u003eProgressive engagement without harsh locking\u003c\/li\u003e\n\u003cli\u003eNo clutch plates to wear or require servicing\u003c\/li\u003e\n\u003cli\u003eQuiet operation suitable for road and track use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe differential is designed as a direct replacement for the original unit, fitting the manual \u0026amp; automatic gearboxes used in the vehicles listed below.\u003c\/p\u003e","brand":"Blackline","offers":[{"title":"Default Title","offer_id":44069629428028,"sku":"MLR.BTT\/SUB","price":449.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/0703\/4172\/files\/hlf160_webp.webp?v=1769441581"},{"product_id":"blackline-hlf030-mazda-mx5-1-8-helical-gear-lsd","title":"Blackline HLF030 Mazda MX5 1.8 Helical Gear LSD","description":"\u003cp\u003eThe Blackline HLF030 helical limited-slip differential is designed for the Mazda MX5 MK1 \u0026amp; MK2, providing a direct performance upgrade over the standard open differential. By intelligently distributing torque between the driven wheels, it improves traction, cornering stability and power delivery, making it ideal for fast road and track use.\u003c\/p\u003e\n\u003cp\u003eUnlike clutch-type differentials, this LSD uses a precision helical gear torque-biasing design, eliminating clutch plates and the associated wear. This results in smooth, progressive engagement with minimal noise and virtually no maintenance requirements.\u003c\/p\u003e\n\u003cp\u003eIt is a torque-biasing differential that automatically transfers torque to the wheel with the most available grip. This significantly improves traction during acceleration, particularly when exiting corners or driving in low-grip conditions.\u003c\/p\u003e\n\u003cp\u003eInside the differential, parallel-axis helical gears generate internal thrust forces proportional to the applied torque. These forces create resistance within the differential housing, allowing torque to be directed to the wheel with greater traction while maintaining smooth operation during normal driving.\u003c\/p\u003e\n\u003cp\u003eWith a 5:1 torque bias ratio, the Blackline LSD can transfer up to five times more torque to the wheel with the most grip. This allows the differential to handle significant traction imbalances while maintaining predictable and stable handling. In rare situations where one wheel has completely lost traction, techniques such as light braking can help the differential redistribute torque effectively.\u003c\/p\u003e\n\u003cp\u003eManufactured from high-strength 8620 alloy steel, it is built for durability and long service life. Precision machining and heat treatment ensure it can withstand high torque loads in demanding performance environments.\u003c\/p\u003e\n\u003cp\u003eCompared to a standard open differential, the Blackline LSD provides several key advantages:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eImproved traction under acceleration\u003c\/li\u003e\n\u003cli\u003eReduced inside wheel spin when cornering\u003c\/li\u003e\n\u003cli\u003eSmoother and faster response than viscous LSD systems\u003c\/li\u003e\n\u003cli\u003eProgressive engagement without harsh locking\u003c\/li\u003e\n\u003cli\u003eNo clutch plates to wear or require servicing\u003c\/li\u003e\n\u003cli\u003eQuiet operation suitable for road and track use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe differential is designed as a direct replacement for the original unit, fitting the MX5 vehicles listed below.\u003c\/p\u003e","brand":"Blackline","offers":[{"title":"Default Title","offer_id":44069649547580,"sku":"MLR.BMB","price":449.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/0703\/4172\/files\/hlf030_webp.webp?v=1769444673"},{"product_id":"blackline-hlf071-mg-salisbury-axle-helical-gear-lsd","title":"Blackline HLF071 MG Salisbury Axle Helical Gear LSD","description":"\u003cp\u003eThe Blackline HLF071 helical limited-slip differential is designed for the MGB with the Salisbury axle, providing a direct performance upgrade over the standard open differential. By intelligently distributing torque between the driven wheels, it improves traction, cornering stability and power delivery, making it ideal for fast road and track use.\u003c\/p\u003e\n\u003cp\u003eUnlike clutch-type differentials, this LSD uses a precision helical gear torque-biasing design, eliminating clutch plates and the associated wear. This results in smooth, progressive engagement with minimal noise and virtually no maintenance requirements.\u003c\/p\u003e\n\u003cp\u003eIt is a torque-biasing differential that automatically transfers torque to the wheel with the most available grip. This significantly improves traction during acceleration, particularly when exiting corners or driving in low-grip conditions.\u003c\/p\u003e\n\u003cp\u003eInside the differential, parallel-axis helical gears generate internal thrust forces proportional to the applied torque. These forces create resistance within the differential housing, allowing torque to be directed to the wheel with greater traction while maintaining smooth operation during normal driving.\u003c\/p\u003e\n\u003cp\u003eWith a 5:1 torque bias ratio, the Blackline LSD can transfer up to five times more torque to the wheel with the most grip. This allows the differential to handle significant traction imbalances while maintaining predictable and stable handling. In rare situations where one wheel has completely lost traction, techniques such as light braking can help the differential redistribute torque effectively.\u003c\/p\u003e\n\u003cp\u003eManufactured from high-strength 8620 alloy steel, it is built for durability and long service life. Precision machining and heat treatment ensure it can withstand high torque loads in demanding performance environments.\u003c\/p\u003e\n\u003cp\u003eCompared to a standard open differential, the Blackline LSD provides several key advantages:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eImproved traction under acceleration\u003c\/li\u003e\n\u003cli\u003eReduced inside wheel spin when cornering\u003c\/li\u003e\n\u003cli\u003eSmoother and faster response than viscous LSD systems\u003c\/li\u003e\n\u003cli\u003eProgressive engagement without harsh locking\u003c\/li\u003e\n\u003cli\u003eNo clutch plates to wear or require servicing\u003c\/li\u003e\n\u003cli\u003eQuiet operation suitable for road and track use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe differential is designed as a direct replacement for the original unit, fitting the Salisbury axle used in the vehicles listed below.\u003c\/p\u003e","brand":"Blackline","offers":[{"title":"Default Title","offer_id":44069664981308,"sku":"MLR.BRW","price":499.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/0703\/4172\/files\/hlf071_webp.webp?v=1769445394"},{"product_id":"blackline-hlf041-opel-ra18-axle-helical-gear-lsd","title":"Blackline HLF041 Opel RA18 Axle Helical Gear LSD","description":"\u003cp\u003eThe Blackline HLF041 helical limited-slip differential is designed for Opel models with the RA axle, providing a direct performance upgrade over the standard open differential. By intelligently distributing torque between the driven wheels, it improves traction, cornering stability and power delivery, making it ideal for fast road and track use.\u003c\/p\u003e\n\u003cp\u003eUnlike clutch-type differentials, this LSD uses a precision helical gear torque-biasing design, eliminating clutch plates and the associated wear. This results in smooth, progressive engagement with minimal noise and virtually no maintenance requirements.\u003c\/p\u003e\n\u003cp\u003eIt is a torque-biasing differential that automatically transfers torque to the wheel with the most available grip. This significantly improves traction during acceleration, particularly when exiting corners or driving in low-grip conditions.\u003c\/p\u003e\n\u003cp\u003eInside the differential, parallel-axis helical gears generate internal thrust forces proportional to the applied torque. These forces create resistance within the differential housing, allowing torque to be directed to the wheel with greater traction while maintaining smooth operation during normal driving.\u003c\/p\u003e\n\u003cp\u003eWith a 5:1 torque bias ratio, the Blackline LSD can transfer up to five times more torque to the wheel with the most grip. This allows the differential to handle significant traction imbalances while maintaining predictable and stable handling. In rare situations where one wheel has completely lost traction, techniques such as light braking can help the differential redistribute torque effectively.\u003c\/p\u003e\n\u003cp\u003eManufactured from high-strength 8620 alloy steel, it is built for durability and long service life. Precision machining and heat treatment ensure it can withstand high torque loads in demanding performance environments.\u003c\/p\u003e\n\u003cp\u003eCompared to a standard open differential, the Blackline LSD provides several key advantages:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eImproved traction under acceleration\u003c\/li\u003e\n\u003cli\u003eReduced inside wheel spin when cornering\u003c\/li\u003e\n\u003cli\u003eSmoother and faster response than viscous LSD systems\u003c\/li\u003e\n\u003cli\u003eProgressive engagement without harsh locking\u003c\/li\u003e\n\u003cli\u003eNo clutch plates to wear or require servicing\u003c\/li\u003e\n\u003cli\u003eQuiet operation suitable for road and track use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe differential is designed as a direct replacement for the original unit, fitting the RA axle used in the vehicles listed below.\u003c\/p\u003e","brand":"Blackline","offers":[{"title":"Default Title","offer_id":44069689622844,"sku":"MLR.BRQ","price":449.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/0703\/4172\/files\/hlf041_1_webp.webp?v=1769444821"},{"product_id":"blackline-hlf061-109-vw-golf-jetta-scirocco-020-109mm-helical-gear-lsd","title":"Blackline HLF061\/109 VW Golf Jetta Scirocco 020 109MM Helical Gear LSD","description":"\u003cp\u003eThe Blackline HLF061 helical limited-slip differential is designed for Volkswagen models with the 5-speed (109mm crown wheel) 020 gearbox, providing a direct performance upgrade over the standard open differential. By intelligently distributing torque between the driven wheels, it improves traction, cornering stability and power delivery, making it ideal for fast road and track use.\u003c\/p\u003e\n\u003cp\u003eUnlike clutch-type differentials, this LSD uses a precision helical gear torque-biasing design, eliminating clutch plates and the associated wear. This results in smooth, progressive engagement with minimal noise and virtually no maintenance requirements.\u003c\/p\u003e\n\u003cp\u003eIt is a torque-biasing differential that automatically transfers torque to the wheel with the most available grip. This significantly improves traction during acceleration, particularly when exiting corners or driving in low-grip conditions.\u003c\/p\u003e\n\u003cp\u003eInside the differential, parallel-axis helical gears generate internal thrust forces proportional to the applied torque. These forces create resistance within the differential housing, allowing torque to be directed to the wheel with greater traction while maintaining smooth operation during normal driving.\u003c\/p\u003e\n\u003cp\u003eWith a 5:1 torque bias ratio, the Blackline LSD can transfer up to five times more torque to the wheel with the most grip. This allows the differential to handle significant traction imbalances while maintaining predictable and stable handling. In rare situations where one wheel has completely lost traction, techniques such as light braking can help the differential redistribute torque effectively.\u003c\/p\u003e\n\u003cp\u003eManufactured from high-strength 8620 alloy steel, it is built for durability and long service life. Precision machining and heat treatment ensure it can withstand high torque loads in demanding performance environments.\u003c\/p\u003e\n\u003cp\u003eCompared to a standard open differential, the Blackline LSD provides several key advantages:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eImproved traction under acceleration\u003c\/li\u003e\n\u003cli\u003eReduced inside wheel spin when cornering\u003c\/li\u003e\n\u003cli\u003eSmoother and faster response than viscous LSD systems\u003c\/li\u003e\n\u003cli\u003eProgressive engagement without harsh locking\u003c\/li\u003e\n\u003cli\u003eNo clutch plates to wear or require servicing\u003c\/li\u003e\n\u003cli\u003eQuiet operation suitable for road and track use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe differential is designed as a direct replacement for the original unit, fitting the 5-speed 020 gearbox with 109mm crown wheel used in the vehicles listed below.\u003c\/p\u003e","brand":"Blackline","offers":[{"title":"Default Title","offer_id":44069749162300,"sku":"MLR.BQR","price":466.66,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/0703\/4172\/files\/hlf061_109_webp.webp?v=1769445205"}],"url":"https:\/\/mattlewisracing.co.uk\/collections\/best-sellers.oembed?page=2","provider":"Matt Lewis Racing","version":"1.0","type":"link"}