Hypercoils 10" Coil-Over Spring - 1- 7/8" I.D. - 162 lb. 351015 The mounting bosses are cast

The mounting bosses are cast into the manifold only to facilitate fabrication of bracketry

and SRT Hellcat

1968-1992 Pontiac Firebird

This Tool Is Very Easy To Use

Hypercoils 10" Coil-Over Spring - 1- 7/8" I.D. - 162 lb. 351015 The mounting bosses are castHypercoils 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