These are very nice and simple and feature a two screw clamp that is hidden underneath the bar for a clean look

positive or negative earth

We put together this fender strut kit using some of our bungs

Sportster James Gaskets are known world-wide for their close attention to quality and fit

and Norton twins

Tophat Blind Threaded Aluminum Bung 5/16-18 thread - 4 pack Use_Standard These are very nice andThese tophat shaped, blind threaded aluminum bungs are perfect for making gas tank and oil tank mounts, or for any other fluid filled vessel. 3 4" OD with a 1" OD flange that is 1 8" thick. The overall length is 1". Featuring a 5 16" 18 thread. Sold in a 4 pack. Made in Ohio, USA.