Hypercoils 6" OBD Coil-Over Spring - 2-1/2" I.D. - 300 lb. 91929979 Reduce under hood temperatures a

Reduce under hood temperatures a realistic 50% Decreases exhaust density & increases exhaust flow Improves horsepower Withstands 1200F direct/2000F radiant Only exhaust wrap with installation guide lines Added durability and heat retention NOTE: Design Engineering HT Silicone Coating spray is highly recommended for DEI glass fiber wrap to penetrate

Cylinder Head Bolt Kit

Measures 7 3/4 x 8 3/4-inches with 6 pleats

Hand-held tool makes quick and easy work of installing fittings into FBV SOCKETLESS(TM) Hose

Does not have silicone beadSince 1938

Hypercoils 6" OBD Coil-Over Spring - 2-1/2" I.D. - 300 lb. 91929979 Reduce under hood temperatures 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