Hypercoils 8" Tall Coil-Over Spring - 2-1/4" I.D. - 550 lb. 36004R 4204Since 1938

4204Since 1938

1964-1967 Pontiac GTO CID 376 CC 6162 6

The overflow hole is threaded 1/8" pipe for a replaceable hose barb

150" long Hi-Tech 5/16" diameter pushrods handle the requirements of today's all-out race engines

2008-2016 GMC Canyon

Hypercoils 8" Tall Coil-Over Spring - 2-1/4" I.D. - 550 lb. 36004R 4204Since 1938Hypercoils 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