Hypercoils 10" Coil-Over Spring - 2-1/2" I.D. - 425 lb. Full Face Helmet it replaces the weak factory

it replaces the weak factory valve internals to ensure strength and reliability

Opening Vacuum 9

Edelbrock 94

1997-2001 Ford F-250

Hypercoils 10" Coil-Over Spring - 2-1/2" I.D. - 425 lb. Full Face Helmet it replaces the weak factoryHypercoils 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