Thread size of 8AN male coupler is 3/4-16 UNF, can use to splice or extend a line, works with female thread fitting.
LokoCar Male Adapter Fitting AN8 8AN to AN8 8AN ORB O-ring Black Pack of 2
8AN to 8AN Male Flare Coupler Union Straight Fuel Hose Adapter Fitting 2 PCS
Aluminum 8AN 90 Degree 8AN To 1/2 inch barb Push Lock Hose Fitting End
8AN to 2 x 8AN Male Flare Coupling Union Y Block Splitter Hose Adapter Fitting
2x AN8, 8AN Straight 8AN to 1/2 inch barb Push Lock Hose Fitting End Aluminum
Aluminum 8AN 90 Degree 8AN To 1/2 inch barb Push Lock Hose Fitting End NEW