Twisted Choppers Micro Spike Vented Gas Cap With Weld In Bung
The Twisted Choppers Micro Spike gas cap gives any custom tank a sharp, aggressive detail right at the cap – a small finishing touch that adds character to bobbers, choppers, and hot rods. The compact weld-in bung design puts you in full control of cap placement, letting you position it exactly where your build demands.
Key Features
- Spike-profile aluminum cap with aggressive custom styling
- Weld-in mild steel bung for flexible custom placement
- Vented with an o-ring seal to prevent pressure buildup
- Gas pump nozzle fits inside the bung for easy filling
- Available in Black and Polished finishes
- Made in the USA
Technical Specifications
- Cap Profile: Spike
- Material: Aluminum cap / mild steel bung
- Thread Size: 1″-14
- Bung Height: 1.03″ overall / .875″ to flange
- Bung Outside Diameter: 1.25″
- Bung Inside Diameter: 1″
- Vent: Vented
- Seal: O-ring
- Origin: Made in the USA
Fitment Notes
- Requires welding the mild steel bung into a custom gas tank; not a bolt-on replacement for OEM-style caps
- Suitable for custom gas tanks, bobbers, choppers, hot rods, and any application requiring a 1″-14 threaded vented cap
- Review available finishes – Black and Polished – and select the correct variation before ordering











Brian Nichols –
I Love the look and quality of these, Great product.
Anthony Olaker –
Best product that i have used yet. and have used many.