This chromed brass adapter nut allows you to use a 1/4" NPT Petcock on any tank with a standard Harley type 22mm threaded male bung

10-spline- Fits 1955-2006 Big Twin engines (except 06 Dyna models)

The bends in the bracket allow the included 5/16"-18 threaded bungs to sit flat against the fender

This stem size is very common and is found on narrow glide front ends on Sportsters 1982 and later

-cam shaft bushing ID: 20

1-3/4" Wrench for Harley-Davidson Sidecar Adjustment Axle Diameter_3/4" This chromed brass adapter nutCNC laser cut 5 16 thick wrenches sized to fit inside stock teardrop Harley toolboxes. Parkerized to discourage corrosion. Made in Ohio, USA.