Hyperco I-Series Coilover Springs

Hyperco offers I-Series coilover springs—high performance aftermarket suspension springs primarily used in motorsports and motor racing. Great for applications like Indy Car, Indy Lights, sports car racing, prototype race cars, Tudor classes, and SSCA racing, these coilovers have been proven to perform consistently, season after season. Why waste your racing budget on a spring that won't hold its rate through half a season? Make the switch to Hyperco I-Series coilover springs—properly designed and manufactured springs that won't lose free length under normal racing applications. Select the spring rate and height that best suits your vehicle. Features and specs of Hyperco I-Series coilover springs: * High-tensile strength chrome silicone construction * Finished with a tough blue epoxy powdercoat that offers unmatched durability * Available in front and rear applications * Optimum Body Diameter (OBD) spring design * Available in a wide range of free lengths and rates * Fits coilover shocks designed to use 36mm ID springs (OD varies by rate and length) * Advanced metallurgy, spring winding, and heat-treating techniques result in springs that won't lose ride height or rate Show Less