Description
A reliable filler cap system is essential for maintaining proper fluid levels and preventing contamination in high-performance applications. This Allstar Performance kit combines a steel weld-in bung with a precision-threaded aluminum cap, giving you a permanent, leak-free solution that won’t vibrate loose during aggressive driving or racing. The red anodized finish ensures durability while maintaining a clean, professional appearance in your engine bay.
- 1.375″ outer diameter
- Weld-on steel bung
- Aluminum threaded cap
- Red anodized finish
- Complete bung and cap kit
- Permanent installation method









