Hypercoils 6" OBD Coil-Over Spring - 2-1/2" I.D. - 750 lb. MGLR Effective Mounting Point

Effective Mounting Point

1977-1977 Buick Riviera

630" ID - 5" Length - 105 lb 0500

Caliper bracket bolts to it

Hypercoils 6" OBD Coil-Over Spring - 2-1/2" I.D. - 750 lb. MGLR Effective Mounting PointOptimum 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