Hypercoils 12" Coil-Over Spring - 2-1/2" I.D. - 800 lb. 130902 Calibration is as simple as

Calibration is as simple as a two mile drive

Directions for use:

Dual Tip Design

1983-1992 GMC G1500

Hypercoils 12" Coil-Over Spring - 2-1/2" I.D. - 800 lb. 130902 Calibration is as simple asHypercoils 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