These bonnet pins are generally referred to as stainless steel by the Motorsport industry, but to be clear the pin plates that mount on the outside of the bonnet are stainless steel, the rest is zinc plated steel
These bonnet pins are generally referred to as stainless steel by the Motorsport industry, but to be clear the pin plates that mount on the outside of the bonnet are stainless steel, the rest is zinc plated steel