170 lbs./in. Spring Rate 12" Tall Coil Over Shock Springs - Black (Pair) A billet yoke can mean

A billet yoke can mean the difference between winning and losing

These aluminum push-in breathers from Speedmaster are just the thing to prevent oil splash while adding some style

Upgrade your transmission with the Speedmaster heavy-duty forward clutch hub

more stable valvetrain operation

which reduces the friction

170 lbs./in. Spring Rate 12" Tall Coil Over Shock Springs - Black (Pair) A billet yoke can meanSpeedmaster coil springs are designed to withstand the high stress levels of modern suspensions. They're manufactured from high quality chrome silicone steel, heat treated and shot peened, and then powdercoated or plated for protection and appearance.