Gas tank is one piece, has a left side petcock opening, and has a fuel capacity of 4 gallons. It bolts on with original hardware. Tank is unpainted without the dash cust out. Check the tank for flaws and fit before painting. Do not grind or sand the seams or joints.Clean the inside of the tank. It is suggested to pressure test and use a tank sealer. We suggest using Kreem gas tank combo kit to clean, condition, and seal to help stop leaks and prevent corrosion. Check petcock opening, making sure the petcock can be easily installed. Petcock fitting should be masked or plugged during painting for easy installation of petcock. Tech Note: Not for use with a dash. For models that either do not have a dash or looking to eliminate the dash. The item "Smooth 4 Gallon Fat Bob Bobbed Dual Cap Mustang Fuel Gas Tank Harley FXR 38-0081" is in sale since Saturday, November 14, 2015. This item is in the category "eBay Motors\Parts & Accessories\Motorcycle Parts\Body & Frame\Gas Tanks". The seller is "americanclassicmotors" and is located in Zieglerville, Pennsylvania. This item can be shipped worldwide.