Hypercoils 6" OBD Coil-Over Spring - 2-1/2" I.D. - 550 lb. HYPLSML11SASPA 75 mm Long

75 mm Long

High Dielectric Strength Thermoplastic Cap With Brass terminals

Has provisions to add oil fill tube

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

AP / Sierra / Wilwood Caliper

Hypercoils 6" OBD Coil-Over Spring - 2-1/2" I.D. - 550 lb. HYPLSML11SASPA 75 mm LongOptimum 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