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stainless steel alloy and are carefully designed to increase gas flow for more power
providing competition engine builders with the most accurate valvetrain components available today
2 SFI Approved and will withstand the extreme power and rpm of your performance application
Convert the Speedmaster Powerglide tail housing to accept a TH350/Powerglide yoke with the billet steel tail housing adapter
but have profiled counterweights for less weight
150 lbs./in. Spring Rate 10" Tall Coil Over Shock Springs - Black (Pair) stainless steel alloy and areSpeedmaster 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.
