Hypercoils 12" Coil-Over Spring - 2-1/2" I.D. - 150 lb. H76503FL 2007 GMC Sierra 1500 HD

2007 GMC Sierra 1500 HD Classic 78

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racing fuel pumpsSince 1938

1997-2013 Chevrolet Corvette

including piddle valve

Hypercoils 12" Coil-Over Spring - 2-1/2" I.D. - 150 lb. H76503FL 2007 GMC Sierra 1500 HDHypercoils 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