1Pcs Straight 6AN AN6 Male to 3/8, 6AN AN6 Male to 5/16 Hardline Tube Hose Fitting Adapter Fuel Line Pipe Compression Adapter - AliExpress

6AN Male to 5/16 8mm Hardline Fuel Hose Line Tube Straight

10 Pieces Straight 6AN Male Flare to 5/16 (OD 8mm) Tube Hose

Universal 1pcs Straight AN6 Male to 5/16 AN6 Male to 3/8 Tube

Quick Connect 6AN AN6 Male To 3/8, 5/16 AN8 8AN Quick Disconnect

Universal Using for Braided Fuel Lines (Hoses) Oil, Fuel, Water, Fluid and Air Line Assure positive sealing and come in a corrosion-resistant finish.

6AN Male to 3/8 Tubing Adapter Fuel Hardline Tube Fitting, 6 AN Flare to 3/8 inch Hard Line Connector Aluminum Black Anodized

Aluminum -6AN Male to 3/8 Tubing Adapter Fuel

EVIL ENERGY 6AN Straight Fittings Swivel Fuel Hose End Black for 3

Oil cooler kit&hose&fitting

An6 An8 An10 Straight Male To 5/16 3/8 1/2tubing Compression

AN6 6AN Male to 3/8& 5/16 Hardline Tube Fuel Line Fitting