Hypercoils 12" Coil-Over Spring - 2-1/2" I.D. - 475 lb H776001XL improve muscle car traction for

improve muscle car traction for drag racingAir Lift Company has been developing air spring suspension products for more than 50 years

Chevy Corvette 2014-15

1988-1995 GMC K1500

Chevrolet Biscayne Base 502 1958 to 1964

Hypercoils 12" Coil-Over Spring - 2-1/2" I.D. - 475 lb H776001XL improve muscle car traction forHypercoils 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