13/16" Female Fuel Valve Petcock 90 Degree Foot Controls Big Twin Parts The 1 1/8" diameter is

The 1 1/8" diameter is also the same as the stock XS650 frame tubing for a very nice looking install that looks like it was factory made

5/16" hose barb

- High Quality

1/4" holes in base for bench or trailer deck mounting

The fender isn't drilled

13/16" Female Fuel Valve Petcock 90 Degree Foot Controls Big Twin Parts The 1 1/8" diameter is13 16" Female Fuel Valve Petcock 90 Degree Chrome 90 degree right hand outlet petcock 13 16" Nut, 22mm thread. 5 16" hose barb. Will fit any Harley or aftermarket chopper gas tanks that have a 22mm outside thread petcock bung. Petcocks feature show chrome finish, high fuel flow, on off reserve selections, and a brass fuel filter screen!