This Mustang style tank has a 3.4 gallon capacity and includes a 1/4 inch NPT fuel valve outlet on each side. It has a horseshoe front mounting tab, and tank is 16 1/2 inches long, 12 inches wide and 7 inches deep with a 2 1/2 inch wide and 3 1/2 inch deep tunnel. Centerline hole to hole on mounting bracket is 17 1/4 inches. Unpainted. All Paucho tanks are pressure tested and unpainted. As with any new gas tank installation, always test fit tanks to frame and related components, presure test and seal with K11292 tank sealant and cleaner kit.