Hypercoils 4" Coil-Over Spring - 2-1/2" I.D. - 500 lb. HHRM1375S-1015 Aluminum heads w/non-conventional port and

Aluminum heads w/non-conventional port and bolt locationsFel-Pro is the leading brand of replacement and performance automotive gaskets and sealing products

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Light weight and low runout (under

Momentum GT

Hypercoils 4" Coil-Over Spring - 2-1/2" I.D. - 500 lb. HHRM1375S-1015 Aluminum heads w/non-conventional port andHypercoils 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