Hypercoils 13" Rear Coil Spring - 5" O.D. - 225 lb. 50000041 We have taken our most

We have taken our most popular sizes and styles and made them available in this series

Fuel Injection Nozzle O-Ring Kit

Comes with a jam nut for quick and easy installation

allow for optimization of the total vehicle performance on many Circle Track vehicles and applications

Suitable for most classes of circle track or drag race cars and even the tow vehicle

Hypercoils 13" Rear Coil Spring - 5" O.D. - 225 lb. 50000041 We have taken our mostHypercoils 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