This chromed brass adapter nut allows you to use a 3/8" NPT Petcock on any tank with a standard Harley type 22mm threaded male bung

Proper fitment is 1963 and later 650 and 750cc unit Triumph motorcycles such as T120 and T140 Bonneville

Designed to fit Harley pre-77 models but will also work on Big Twin 77-86 models if round or old style kick pedal is used

This drilled brake and clutch lever set provides that race-inspired look with a straightforward installation

#7401-2 Tach Drive Block Off Plug 1971-1984 Harley-Davidson Sportster - Chrome Plated Subcategory_Carburetor Components This chromed brass adapter nutTach Drive Block Off Plug Fits Harley Davidson Sportster 1971 1984 Tach Drive Blockoff Plg XL 71 84, Made in Ohio, USA.