Hypercoils 20" Rear Coil Spring - 5" O.D. - 125 lb. CSR Performance Products Required for cars quicker than

Required for cars quicker than 11

Chevy Corvette 2015-19

GM Gen I Small Block V8 Split Rear Main Seal

550 degrees F Rated Silicone Jacket

Hypercoils 20" Rear Coil Spring - 5" O.D. - 125 lb. CSR Performance Products Required for cars quicker thanHypercoils 20" Rear Springs allow the spring to stay in contact with the perch at all times for a wider range of pre loading. Hypercoils 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