Hypercoils 12" Coil-Over Spring - 2-1/2" I.D. - 400 lb. H776001L used for P/N 12310

used for P/N 12310

5/8 in Hose Barb or 3/4 in Hose Barb

1982-1986 GMC G3500

They can be bolted on to most harmonic balancers or used with a COMP Cams crankshaft socket

Hypercoils 12" Coil-Over Spring - 2-1/2" I.D. - 400 lb. H776001L used for P/N 12310Hypercoils 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