Hypercoils 7" OBD Coil-Over Spring - 2-1/2" I.D. - 300 lb. AA0220BG2T57 0 GT to complete installation

0 GT to complete installation to your factory resonator box or resonator delete X pipe

Comes with cork gasket

the DVX is the only choice

C15/C1500 Suburban

Hypercoils 7" OBD Coil-Over Spring - 2-1/2" I.D. - 300 lb. AA0220BG2T57 0 GT to complete installationOptimum 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