Hypercoils 7" OBD Coil-Over Spring - 2-1/2" I.D. - 325 lb. HS11SAS 24 x 48 in

24 x 48 in

1982-1986 Oldsmobile Firenza

1/4-inch laser-cut plate steel

Minimal Interior Resonance

Hypercoils 7" OBD Coil-Over Spring - 2-1/2" I.D. - 325 lb. HS11SAS 24 x 48 inOptimum 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