Every JC Whitney fuel tank is quality-tested prior to leaving the factory. 80-82 F-100 Custom GAS, 19 Gallon, Side Mount, 58-7/8 x 12-1/4 x 12-1/2, Lock Ring Kit Included. 84 F-150 XLT LPG, 19 Gallon, Side Mount, 58-7/8 x 12-1/4 x 12-1/2, Lock Ring Kit Included.