150 lbs./in. Spring Rate 12" Tall Coil Over Shock Springs - Silver (Pair) Replacement Spring Isolator for PC12004

Replacement Spring Isolator for PC12004 A-Arms

This planetary gear is fully Rollerized

but it also conforms to surface irregularities for a tight seal

Speedmaster intake manifold bolts are rated at 170

They're constructed from a cellulose/nitrile material that features excellent tensile strength and superior blowout resistance

150 lbs./in. Spring Rate 12" Tall Coil Over Shock Springs - Silver (Pair) Replacement Spring Isolator for PC12004Speedmaster 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.