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

- Built to Last: Sturdy steel and powder coat ensure durability and reliable performance over time

Please note: these springs are not compatible with mounts that have 3/8" diameter posts

with discounts on larger rolls

This kit includes everything you need to replace your stock primary drive and clutch

#3025-34 Rocker Arm Cover Screw Kit 1939-1947 Harley-Davidson Knucklehead - Parkerized Brand_Bob Newby Racing This chromed brass adapter nutParkerized reproduction of OEM# 179 39 screws used on 1939 1947 Knucklehead. 34 pieces. Made in Ohio, USA.