450 lbs./in. Spring Rate 7" Tall Coil Over Shock Springs - Silver (Pair) Want to upgrade your street

Want to upgrade your street carburetor to a high performance race carb but don't have the means to do a complete carb swap

Provides very positive shifts for high performance street use or for competitive events

Speedmaster replacement vacuum advance canisters are designed to meet or exceed OEM specifications for accurate

They feature rotating head that easily rotates engines to your desired position by turning a crank handle

and reduced friction to extend their life

450 lbs./in. Spring Rate 7" Tall Coil Over Shock Springs - Silver (Pair) Want to upgrade your streetSpeedmaster 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.