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RaceFlux AN O-Ring Boss Plug
RaceFlux AN O-Ring Boss Plug
Block an O-ring boss port the right way: this ORB plug threads into any female ORB port and seals on its Viton O-ring against the port face — no thread sealant, no tape, and it reseals reliably every time it's removed. The clean solution for unused ports on coolers, thermostats, sandwich plates, and fuel logs.
Key Features
- Male ORB plug with Viton (FKM) O-ring seal
- Seals on the O-ring — no sealant needed, reseals reliably
- Lightweight black anodized aluminum construction
- Reusable
Fitment & Compatibility
- Fits standard female O-ring boss (ORB) ports
- Available in -3AN through -16AN — select from the dropdown
- Common uses: blocking unused cooler and sandwich plate ports, sealing spare fuel log outlets