Hypercoils 13" Rear Coil Spring - 5" O.D. - 125 lb. Dayco Race in confidence with these

Race in confidence with these stylish and protective black pit crew shoes

5 certification

1981-1987 Pontiac Grand Prix 6

1979-1979 Oldsmobile Cutlass

GM Fullsize SUV / Truck 2007-21

Hypercoils 13" Rear Coil Spring - 5" O.D. - 125 lb. Dayco Race in confidence with theseHypercoils 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