Description
A quality filler cap and bung assembly is essential for maintaining system integrity under high-performance conditions—whether you’re managing coolant, fuel, or custom fluid systems. This Allstar Performance kit combines a durable aluminum bung with a precision-threaded cap, both black anodized for corrosion resistance and longevity. The weld-in design provides a permanent, leak-free installation that won’t vibrate loose or fail under extreme engine bay environments.
- 3.000 in OD
- Weld-on installation
- Aluminum bung
- Aluminum threaded cap
- Black anodized finish
- Complete kit included
- MPN: ALL36171






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