1/2" in length

If you use the later year range Sportster gas tank mounting hardware this gas tank bolts right in place without issue

full frames

The accompanying pivot bracket is left unfinished so it can be welded to the backbone of your frame without special preparation

and in nice

Podtronics Regulator / Rectifier - Triumph / BSA Thread Size_3/8-16 1/2" in lengthUpgrade your classic British motorcycle's electrical system with the reliable Podtronics Regulator Rectifier. This modern unit replaces the often problematic Lucas rectifier and Zener diode found on vintage Triumph, BSA, and Norton motorcycles. Enjoy hassle free operation and improved reliability with this essential upgrade. Key Benefits: Replaces Lucas Rectifier and Zener Diode: A direct replacement for outdated and unreliable components. Positive or