Hypercoils 12" Coil-Over Spring - 2-1/2" I.D. - 475 lb H776001XL Works w/Most 1965-1997 GM Senders

Works w/Most 1965-1997 GM Senders

Serviceable Lifetime High-Flow 8 Layer Cotton Gauze Filter

Kit includes one 49" blade and one 18" blade with separate ends for building a custom width spoiler

Chevrolet Biscayne Base 502 1958 to 1964

Chevy Corvette 2014-15

Hypercoils 12" Coil-Over Spring - 2-1/2" I.D. - 475 lb H776001XL Works w/Most 1965-1997 GM SendersHypercoils 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