Hypercoils 8" Tall Coil-Over Spring - 2-1/4" I.D. - 550 lb. 36004R Identify critical engine parameters at

Identify critical engine parameters at a glance

1979-1985 GMC C2500

1-1/2 in 48 Spline

25 in Holes

Hypercoils 8" Tall Coil-Over Spring - 2-1/4" I.D. - 550 lb. 36004R Identify critical engine parameters atHypercoils 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