Speedflow manufactures a full range of aluminium adapters, including these Male Flare to O-Ring Boss Male. These are commonly used for fuel pumps, oil pumps, water pumps etc. The O-Ring Boss (ORB) is a UNF Thread with a o-ring recess cut into it for sealing. It is now very common to find oil pumps and fuel pumps and filters to be machined this way for a much more secure seal.
- Speedflow - Australian Made
- Black or Blue hard anodised
- Viton O-rings