150 lbs./in. Spring Rate 12" Tall Coil Over Shock Springs - Black (Pair) to handle higher rpm

to handle higher rpm

they come in three different finishes and feature a billet aluminum oil fill cap

Paper Air Cleaners & Kits also available

The outer case is made from 8620 Chrome-Nickel-Moly steel and the case hardened for long life

Speedmaster crankshafts are nitride-hardened

150 lbs./in. Spring Rate 12" Tall Coil Over Shock Springs - Black (Pair) to handle higher rpmSpeedmaster 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.