Hypercoils 7" OBD Coil-Over Spring - 2-1/2" I.D. - 275 lb. Sprint Car Parts While ready to run out

While ready to run out of the box

no leak seal over the life of the filter

2017-2020 Ford F-350 Super Duty SuperCab Pickup

375 (3/8'') over stock location

9 in Long x 4

Hypercoils 7" OBD Coil-Over Spring - 2-1/2" I.D. - 275 lb. Sprint Car Parts While ready to run outOptimum 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