Direct bolt-in replacement to stock, two-piece, plastic tank Fabricated aluminum for strength–factory tanks fail after repeated high heat situations Meets the requirements of NHRA and SCCA by having a built-in one pint overflow reservoir, no other tank has this feature! Billet aluminum filler neck that accepts Moroso No. 63316 or other standard size racing, radiator caps This aluminum tank can be polished, chromed, painted, powder coated or left as-is for a race look Built-in billet aluminum hose fittings