These adapter fittings are designed to be used in many Radium products including fuel rails, surge tanks, fuel pressure regulators, etc. However, they can be used in any application using a -8AN ORB (3/4"-16) O-ring port.
20-0301,2,3 (example shown below) are used to adapt to OEM components, such as fuel pressure regulators, fuel pressure sensors, etc.
Below is an example of the 8AN ORB swivel banjo to 6AN fitting.
Below is an example of the 8AN ORB swivel banjo to barb fitting.