Upgrade your ignition system with our 8mm performance HT leads, engineered to deliver stronger, more consistent spark for improved throttle response, smoother running, and enhanced reliability. Featuring low-resistance cores, high-quality silicone insulation, and robust suppression properties, these leads are designed to withstand heat, vibration, and harsh engine bay conditions. Ideal for both standard and modified engines, 8mm HT leads offer increased durability and performance over ageing OEM cables. Available for a wide range of vehicles, they provide a direct-fit upgrade that helps maximise ignition efficiency and overall engine performance.