Hypercoils 10" Coil-Over Spring - 2-1/2" I.D. - 650 lb. 91629029 1977-1978 GMC K35

1977-1978 GMC K35

Small Block Chevy and Small Block Ford engines in carbureted and EFI versions

also 2005-2008 Dodge Ram 1500 Mega Cab

Ranger 1982-97

Block Hugger

Hypercoils 10" Coil-Over Spring - 2-1/2" I.D. - 650 lb. 91629029 1977-1978 GMC K35Hypercoils 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