Filler Cap Red with Weld-In Steel Bung Large

The ALLSTAR PERFORMANCE Filler Cap Red with Weld-In Steel Bung Large is a professional-grade fuel cell access kit designed for race cars, fabrication projects, and custom vehicle builds requiring a 3-inch opening. This weld-on system combines a durable steel bung with an aluminum threaded red anodized cap, delivering a sealed, vibration-resistant fuel system solution that meets the demands of high-performance motorsports and automotive restoration work.

The large format accommodates high-flow fuel system configurations and provides straightforward installation through welding directly into the fuel tank or cell. The steel bung construction ensures structural integrity under pressure, while the red anodized aluminum cap offers corrosion resistance and visual identification. The threaded design allows for quick cap removal and secure resealing without specialized tools, making it ideal for frequent maintenance or pit crew access during racing events. The 3-inch opening size is a common standard in fuel cell applications, simplifying sourcing and replacement across multiple vehicles.

This kit is essential for fabricators, race teams, and serious enthusiasts building custom fuel systems, whether for circle track racing, drag strips, road course competition, or show cars requiring professional-grade fuel cell access. ALLSTAR PERFORMANCE is recognized throughout the motorsports industry for reliable fuel system components and fabrication hardware. The large bung-and-cap kit removes guesswork from fuel cell setup, ensuring a clean, leak-free connection point that withstands both the mechanical stress of racing and long-term storage.