Twisted Choppers Universal Motorcycle Weld-In Petcock Bung
Twisted Choppers weld-in petcock bungs give builders and restorers a clean, permanent solution for adding or replacing a fuel outlet on any custom or stock motorcycle tank. Available in three materials and two thread sizes, they cover everything from vintage Harley restorations to fully custom one-off builds.
Key Features
- Weld directly to the fuel tank for a clean, permanent installation
- 22mm male/external threads fit Harley-Davidson style non-EFI fuel tanks from 1975-up
- 3/8″ NPT female/internal threads fit pre-1975 Harley-Davidson style tanks and American-standard custom tanks
- Available in aluminum, mild steel, and stainless steel
- Suitable for custom tank fabrication or repairing and replacing bungs in stock tanks
- Sold individually – order the quantity your build requires
- Made in the USA by Twisted Choppers
Technical Specifications
- Thread Option 1: 22mm male (external) thread
- Thread Option 2: 3/8″ NPT female (internal) thread
- Material Options: Aluminum, Mild Steel, Stainless Steel
- Quantity: Sold individually
Fitment Notes
- 22mm thread: compatible with Harley-Davidson style non-EFI fuel tanks produced after 1975
- 3/8 NPT thread: compatible with pre-1975 Harley-Davidson style tanks and most American-standard custom tank applications
- Verify existing bung size or planned thread before selecting – thread size is not interchangeable after welding
- Select material to match your tank material or intended finish – mild steel and aluminum can be welded with standard MIG/TIG; stainless requires stainless-compatible filler rod








ian jenkins –
good item