Hypercoils 7" OBD Coil-Over Spring - 2-1/2" I.D. - 300 lb. 31022 4L F150 truck applications

4L F150 truck applications

172 in Thick

Select proper grip range and use with 13/64" drill bit for best results

LS water pump

The lifters also feature a tall body to enable use in both standard and

Hypercoils 7" OBD Coil-Over Spring - 2-1/2" I.D. - 300 lb. 31022 4L F150 truck applicationsOptimum 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