Hypercoils 6" OBD Coil-Over Spring - 2-1/2" I.D. - 700 lb. 421997 These new 220cc flow a

These new 220cc flow a massive 340 CFM

(Battery +

producing 650 CFM at 0 static pressure while drawing only 5

cross country

Fits models with fender flares only

Hypercoils 6" OBD Coil-Over Spring - 2-1/2" I.D. - 700 lb. 421997 These new 220cc flow aOptimum 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