Hypercoils 7" OBD Coil-Over Spring - 2-1/4" I.D. - 550 lb. 5000201 7598Since 1938

7598Since 1938

1975-1985 Chevrolet K5 Blazer

CRF Technology absorbs unwanted interior resonance while maintaining a deep performance toneVehicle Applications: 2011-2007 Jeep WranglerVehicle Applications: 2011-2007 Jeep Wrangler

1988-1991 GMC C3500 CID 454 GAS

1972-1980 Oldsmobile Cutlass

Hypercoils 7" OBD Coil-Over Spring - 2-1/4" I.D. - 550 lb. 5000201 7598Since 1938Optimum Body Diameter (OBD) Hypercoils feature a unique design concept that adjusts the body diameter of the spring relative to the end coils. The OBD design enables Hyperco to take full advantage of its ultra high tensile material by optimizing the applied stress through adjusting the spring's body diameter. HYPERCOILS because the most important race is the one you are in. Hyperco is a supplier of precision engineered, high performance suspension