150 lbs./in. Spring Rate 12" Tall Coil Over Shock Springs - Black (Pair) Speedmaster ring and pinion preload

Speedmaster ring and pinion preload spacer

100635 Spline Oversize Pinion Bearings:PCE207

thick laser-cut flanges and mandrel-bent primary tube

With their compression-style design

They are manufactured from cast aluminum and have a powedercoated black/ polished finish

150 lbs./in. Spring Rate 12" Tall Coil Over Shock Springs - Black (Pair) Speedmaster ring and pinion preloadSpeedmaster 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.