Hypercoils 4" Coil-Over Spring - 2-1/2" I.D. - 600 lb. 30005P The pieces are finished with

The pieces are finished with stylish

while including the maximum linear travel required by dirt racers

Straight-through design ensures unrestricted exhaust flow and reduces back pressure

The Simpson Lever Camlock/Clip system is redesigned to be 15% lighter

Over the years we have built and ran several cars and have an appreciation for the effort and dedication it takes compete

Hypercoils 4" Coil-Over Spring - 2-1/2" I.D. - 600 lb. 30005P The pieces are finished withHypercoils are manufactured from the highest quality chrome silicone steel and high tensile chrome silicone steel available in the world. The material used in producing Hypercoils undergoes two separate magnaflux inspections. Once before manufacture and again after coiling. These inspections insure the wire is free from surface imperfections which, if gone undetected could lead to spring failure. The life of a suspension coil is directly related to