Hypercoils 8" OBD Coil-Over Spring - 1-7/8" I.D. - 200 lb. AA0710AG3R54 8 pass Tube & Fin

8 pass Tube & Fin cooler

067 in Main Hole

Cooler OnlyDerale has been the leader in performance cooling for decades

100 Series

Chevrolet Powerglide TH350/TH400

Hypercoils 8" OBD Coil-Over Spring - 1-7/8" I.D. - 200 lb. AA0710AG3R54 8 pass Tube & FinOptimum 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