3/8 and 5/16 hard tube fuel lines ?

2X 6AN Male to 3/8& 5/16 Hardline Tube Fuel Line Fitting

RaceFlux FKM SAE J30 R9 Push-Lock Fuel Hose, 5/8 ID

【5 Sizes Set】you will receive 5 different specifications lengths 3.3ft NBR fuel line hose (inner diameter are 3/8in,1/2in,5/16in,1/4in,3/16in) and 20

5 Size Fuel Line Hose - 3/8 1/2 5/16 1/4 3/16 ID NBR Rubber Gasoline Tube High Pressure 300PSI, Suitable for Kawasaki EZGO Golf Cart Snowmobile

Everbilt 1/4 in. O.D. x 1/8 in. I.D. x 10 ft. Vinyl Micro Fuel

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

06 AN male to 5/16 hard line adapter

Size: AN6 To 5/16 Tube, AN6To 3/8Tube, AN8To 1/2Tube. Hard Tube to Female AN Adapter. Material : Aluminum Alloys. We will do our best to solve it

Aluminum AN6 AN8 Female To 5/16 3/8 1/2 Tube Fitting Hard Line Adapters

Gates 5/16, 3/8 Inch Hose Connector 28594

Earls Performance AN to tube adapter fittings are manufactured from quality aluminum. These adapter fittings were originally designed to meet the needs of the racing industry, but will work with any low-pressure application to adapt aluminum, steel, copper, copper/nickel, or stainless tubing to AN-type fittings.

Earls -6 An male to 3/8 Tubing Adapter - AT165006ERL