O-Ring Boss (ORB) Adapters | Race Car Plumbing

O-Ring Boss (ORB) Adapters

O-ring boss fittings (nick-named ORB adapters) use straight thread and an O-ring to create a seal between the male and female fitting. Compression of the male fitting O-ring into the female chamfer cone seat creates a strong leak proof connection. Simple but genius. 

-8 AN O-Ring Male to -10 AN Adapter Fitting - Blue
Fragola -8 AN O-ring male adapter with -10 AN 37° male on the other end. Fragola Performance special purpose adapters are manufactured from an aluminum alloy which meets and exceeds the minimum requirements for aerospace fittings. They're precision-machined to exacting tolerances for trouble-free and long-lasting performance, and feature a contoured port end for maximum flow.
$13.97
-12 AN to 1/2 NPT Male Adapter Fitting - Black
Fragola -12 AN O-ring male adapter fitting for connecting to a 1/2 in. NPT port with female threads in black. Commonly used when an accessory has multiple position inlet and outlets, the Fragola -12 AN O-ring male plug will allow full flow. 
$5.97
-12 AN O-Ring Male Plug Fitting - Blue
Fragola -12 AN o-ring male plug fitting for sealing a female -12 AN port with female threads in blue. Commonly used when an accessory has multiple position inlet and outlets, the Fragola -12 AN o-ring male plug will seal the port perfectly. 
$7.97