Hypercoils 10" Coil-Over Spring - 1- 7/8" I.D. - 112 lb. AA0710AG3S57 C9-R1 Valve

C9-R1 Valve

1990-2003 Buick Regal

while increasing the engineered quality of your vehicle and compatibility of these components with other popular aftermarket components

Nylon Brake Line

Hypercoils 10" Coil-Over Spring - 1- 7/8" I.D. - 112 lb. AA0710AG3S57 C9-R1 ValveHypercoils 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