Hypercoils 12" Coil-Over Spring - 2-1/2" I.D. - 325 lb. 28120BK resulting in maximum power production

resulting in maximum power production and superior drivability

Billet aluminum covers come complete with stainless hardware and O-ring

Soft and Supple Knit Fabric Offers Superior Moisture Wicking Properties and Dries Quickly

3 in 3-Bolt Inlet to 3 in Outlet

All adjusters are constructed of Ultra-Light aircraft quality material

Hypercoils 12" Coil-Over Spring - 2-1/2" I.D. - 325 lb. 28120BK resulting in maximum power productionHypercoils 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