Hypercoils 8" Coil-Over Spring - 2-1/2" I.D. - 275 lb. 60 1972-1974 GMC K15/K1500 Suburban

1972-1974 GMC K15/K1500 Suburban

Crafted from billet aluminum then black anodized

L5P Duramax Pulsar V3 is the most advanced L5P performance product on the market

This header features 1-5/8" primary tubes and a 2-1/2" collector for increased exhaust flow for increasing performance

Hypercoils 8" Coil-Over Spring - 2-1/2" I.D. - 275 lb. 60 1972-1974 GMC K15/K1500 SuburbanHypercoils 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