Radium Engineering's goal has been to simply design and produce high-quality aftermarket automotive performance products. Currently, Radium offers an expanding collection of motorsport parts and accessories for high performance and racing, focusing on their revolutionary fuel surge tank line and PCV oil catch can systems. A growing collection of application-specific parts are also being created.
6AN Dry Break Coupler 27mm Fitting, Inner
5/16In SAE Female To 6An Male, Low Profile Elbow
5/16In SAE Female To 6An Male, Low Profile
4AN Orb Plug
These anodized billet aluminum adapter fittings can be used in any application using a 7/16"-20 O-ring port. This is the same thread pitch used in -4AN (ORB=O-Ring Boss). They all feature FKM O-rings for all oil and fuel types.