Hypercoils 6" OBD Coil-Over Spring - 2-1/2" I.D. - 550 lb. HYPLSML11SASPA AP / Sierra / Wilwood

AP / Sierra / Wilwood Caliper

California Special or convertible with 4

Constructed from 6061-T6 aluminum this solid bar stud girdle set for 7/16" stud Chevrolet 265-400 Small Block ties rocker studs together and properly locates them

1999-2002 Chevrolet Silverado 1500

Hypercoils 6" OBD Coil-Over Spring - 2-1/2" I.D. - 550 lb. HYPLSML11SASPA AP / Sierra / WilwoodOptimum 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