Hypercoils 8" OBD Coil-Over Spring - 2-1/4" I.D. - 800 lb. 13021 Rochester Quadrajet

Rochester Quadrajet

Cadmium Plated

Be Cool 13 Fans on Smooth Top / Bottom Crossflow Radiators

Coil Over Kit- GD

Trailing Arms

Hypercoils 8" OBD Coil-Over Spring - 2-1/4" I.D. - 800 lb. 13021 Rochester QuadrajetOptimum 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