; Fits Normally Aspirated, OEM and Aftermarket Forced Induction vehicles; Direct bolt-in replacement to stock plastic tank; Fabricated aluminum for strength, factory tanks fail after repeated high heat situations; This aluminum tank can be polished, chromed, painted, powder coated or left as is for a race look.; Features billet aluminum radiator neck, sight glass to check the level of coolant and manual bleed valve; Includes Part No. 63316 radiator cap