170 lbs./in. Spring Rate 12" Tall Coil Over Shock Springs - Silver (Pair) These Speedmaster valve covers are

These Speedmaster valve covers are an affordable and easy way to brighten up your engine

This Speedmaster E brake system is step one in upgrading your Ford 9"âÃú rear end to a modern emergency brake system

If you need to replace your sensors

The copper gaskets help even out the flow between the head and header flange to minimize warping

OEM replacement designs

170 lbs./in. Spring Rate 12" Tall Coil Over Shock Springs - Silver (Pair) These Speedmaster valve covers 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. Each spring is guaranteed to be within five percent of its advertised rate.