Polyethylene gas tanks with sump and fuel gauge area for Buggies and Sand Rails. This 11 Gallion 10″ diameter by 30″ long with End Filler neck has (2) 1/4″ NPT outlet in the bottom of the sump. Gas cap and tank brackets are sold separate. These tanks will take Autometer, VDO standard & tube type fuel sending units. Tanks are manufactured with C.A.R.B. government approved for fuel applications, cross-linked polyethylene material. (Gallon measurement is an approximation only).