Paughco Stock Style Gas Tank 836 4.5 gallon capacity Made specifically for the newest generation of Sportsters with rubber mounted engines Features an offset, stock-style screw-in filler with vent, and has a standard 22mm external thread petcock fitting for OEM and aftermarket petcocks installed on the left side of the tanks Includes a threaded hose line fitting for the vent bung on the bottom right side of the tank Attaches to the stock frame mounting points on all 04-06 Sportsters with carburetors