Hypercoils 4" OBD Coil-Over Spring - 2-1/2" I.D. - 700 lb. 1020-17 64 in Compressed / 20

64 in Compressed / 20

5" pin GN style axle tubes are a popular choice for modifieds and street stocks

2019-2022 Chevrolet Silverado 1500 Crew Cab Pickup Vehicle does not have carpeted factory storage box

63" measured to engine block

Hypercoils 4" OBD Coil-Over Spring - 2-1/2" I.D. - 700 lb. 1020-17 64 in Compressed / 20Optimum 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