150 lbs./in. Spring Rate 10" Tall Coil Over Shock Springs - Black (Pair) Speedmaster high-volume water pumps have

Speedmaster high-volume water pumps have a ribbed aluminum housing and a heavy-duty ball/roller bearing assembly

these pickups help keep your motor bathed with a healthy supply of oil

They feature aluminum construction and provide double rate cooling due to the double pass design

Speedmaster crankshafts are nitride-hardened

CNC-machined from high-tensile billet steel for strength and precision

150 lbs./in. Spring Rate 10" Tall Coil Over Shock Springs - Black (Pair) Speedmaster high-volume water pumps haveSpeedmaster 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.