4 Gallon Square Aluminium Fuel Tank OBPFTSSB01 Size: 150mm (H) x 250mm (W) x 490mm (L) 10mm Outlet, Breather, Return with a Splash Bowl and Sender Hole. obp Motorsport alloy fuel tanks are precision made for competition or road use. The tanks are made with built in baffles to help prevent fuel surge and suppress explosion. All fuel tanks are made to order, please allow 5-10 working days for it to be manufactured.