Hypercoils 4" Coil-Over Spring - 2-1/2" I.D. - 600 lb. 30005P Has externally accessible pressure relief

Has externally accessible pressure relief valve (max 14 psi)

The pieces are finished with stylish

The Simpson Lever Camlock/Clip system is redesigned to be 15% lighter

Hellwig sway bars feature larger than stock diameters and precision engineered components to optimize handling and reduce body roll

while including the maximum linear travel required by dirt racers

Hypercoils 4" Coil-Over Spring - 2-1/2" I.D. - 600 lb. 30005P Has externally accessible pressure reliefHypercoils 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