MOROSO COOLANT EXPANSION TANK NISSAN R35 GTRDirect bolt in replacement to stock multi piece plastic tank Fabricated Aluminum for strength, factory tanks fail after repeated high heat situations Will not turn "yellow" or "break down" like the factory plastic tank does This Aluminum tank can be polished, chromed, painted, powder coated or left as is for a race look Billet aluminum neck accepts the factory stock vented cap Has 50% more capacity than the stock plastic tank