Hypercoils 13" Rear Coil Spring - 5" O.D. - 200 lb. 37017K 5/16" hard line

5/16" hard line

Low RPM correct Low RPM with throttle body upside-down LT car intake blade orientation shown above

This bolt on 409S stainless steel system features a 3

Note these shields are Snell rated only

1 specifications including

Hypercoils 13" Rear Coil Spring - 5" O.D. - 200 lb. 37017K 5/16" hard lineHypercoils 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