10x16 Center Fill Round Spun Aluminum Gas Tank - 5 Gallon - Tractor Pulling - Truck Pulling - Ratrod - Dune Buggy - Sandrail - Trike - 3/8 NPT - Made in the USA! 10x16 Center Fill Spun Aluminum Gas Tank - holds approx. 5 Gallons 3/8 NPT Bottom Center Outlet Vented Gas Cap and Two Black Brackets included Our Tanks are 100% American Made! Highest quality TIG welds! Fast & Free Shipping!