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The 6-pinion rear planetary carrier is made from 4340 steel
Windsor and Big block applications feature cast construction
Speedmaster aluminum LS valve covers will give your LS series engines a totally new look
let a Speedmaster aluminum Competition series radiator give your high-powered race car the advantage
Speedmaster billet main caps improve reliability in highly stressed engines by reducing distortion of the main bearing bores
200 lbs./in. Spring Rate 12" Tall Coil Over Shock Springs - Silver (Pair) The 6-pinion rear planetary carrierSpeedmaster 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. Each spring is guaranteed to be within five percent of its advertised rate.
