Hypercoils 8" OBD Coil-Over Spring - 2-1/4" I.D. - 800 lb. 13021 Be Cool 13 Fans on

Be Cool 13 Fans on Smooth Top / Bottom Crossflow Radiators

Gauge threaded for -4AN

The bag is vented and can also be used as one large bag without separate storage areas

Derale Atomic-Cool Cooler Kit 6 AN Inlets 13950

Hypercoils 8" OBD Coil-Over Spring - 2-1/4" I.D. - 800 lb. 13021 Be Cool 13 Fans onOptimum 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