Drag Specialties Weld-In Gas Cap Tank Bung for 1984-1996 Harley-Davidson
Custom tank builders and tank restorers need a bung that threads correctly for the cap on hand. The Drag Specialties weld-in gas cap tank bung gives fabricators a reliable anchor point for 1984-to-early-1996 Harley-Davidson style screw-in caps, making it easy to fit factory-compatible hardware to a custom or repaired fuel tank.
Key Features
- Accepts 1984 to early 1996 Harley-Davidson screw-in gas caps
- Weld-in design for secure, permanent installation in custom tanks
- Available in vented (right-hand thread) and non-vented (left-hand thread) versions
- Steel construction for durability and a strong weld bond
- Drag Specialties quality for a precise, leak-free thread fit
Technical Specifications
- Thread Style: Vented: right-hand thread; Non-Vented: left-hand thread
- Cap Compatibility: 1984 to early 1996 Harley-Davidson screw-in gas caps
- Installation: Weld-in
- Material: Steel
Fitment Notes
- Vented bung uses right-hand thread; Non-Vented uses left-hand thread – select based on your cap
- For use with 1984-to-early-1996 Harley-Davidson style screw-in gas caps only
- Requires welding to the fuel tank – professional tank fabrication recommended
- Verify thread direction and cap compatibility before ordering







Michael Daniel –
Was as pictured. Not installed yet
Owen Moore –
Fits just like it is supposed to do.