Hypercoils 8" OBD Coil-Over Spring - 1-7/8" I.D. - 250 lb. RG30003M See 4803-1 for a single

See 4803-1 for a single guide plate

pressure plate

5/8-18 in Inverted Flare Female to 7/8-20 in Male

Air-Core Electric Instruments Provide Quick And Accurate ReadingsAuto Meter Gauges are the number one choice of professional racers worldwide

Calibrated specifically for circle track use

Hypercoils 8" OBD Coil-Over Spring - 1-7/8" I.D. - 250 lb. RG30003M See 4803-1 for a singleOptimum 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