Hypercoils 6" OBD Coil-Over Spring - 2-1/2" I.D. - 700 lb. 33005BK Hex-A-Just® Sets feature:

Hex-A-Just® Sets feature:

FastShafts first driveshaft line was introduced the next year and as of today

Premium 8740 alloy chrome moly steel is heat treated to provide a tensile strength in the 190

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Hypercoils 6" OBD Coil-Over Spring - 2-1/2" I.D. - 700 lb. 33005BK Hex-A-Just® Sets feature:Optimum 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