This J&P Cycles gas tank is a classically designed reproduction of the latest Flatside Fat Bob gas tank Manufactured with 1982-95 factory style screw-in gas cap bungs Will accept an FL single speedo style or low rider style instruments and covers Requires a 22mm external thread valve Perfect choice for bike builds or replacing current tank Can be combined with a wide selection of leather or chrome panels for the ultimate custom look and feel 5.0 gallon capacity Approximate Width: 8-1/2" Raw Steel Note: These tanks must be pressure tested, sealed and pre-mounted on frame to verify compatibility of all related parts before painting. Gas caps and fuel valves are not included with any of these gas tanks