130 lbs./in. Spring Rate 12" Tall Coil Over Shock Springs - Black (Pair) These coils feature advanced bobbin

These coils feature advanced bobbin technology

6 rib serpentine pulley designed to increase grip

these U-joint girdles have a unique design that provides more bearing surface for the universal joint bearing cap

For performance ball joints from a name you can trust

130 lbs./in. Spring Rate 12" Tall Coil Over Shock Springs - Black (Pair) These coils feature advanced bobbinSpeedmaster 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.