3/8 and 5/16 hard tube fuel lines ?
JEGS 15946 Brass Hose Adapter for 3/8 in. to 5/16 in. Hose
Aluminum AN6 AN8 Female To 5/16 3/8 1/2 Tube Fitting Hard Line Adap
Helix Racing Products. 3/8ID X 3Ft Fuel Line Clear
Inline Tube has reproduced over 80 different styles of hard to find clips. Our clips are made identical to the factory originals with the correct thickness metal and the exact detail you have come to expect from Inline Tube products. Spring-wrap adds 1/8” to the outer diameter (O.D.) of a line; ensure that the total O.D. of your line fits with the size of any clip you are viewing. This is a 1/4 ”- 3/8 ” triple clip.
Inline Tube Brake and Fuel Line Clip 3/8 5/16 & 1/4 Triple Line Clip Silver Zinc 1pc
6 AN Lines to hardline : r/EngineBuilding
OD 5/16 Tube / Pipe / Hardline. Use with Fuel / Oil / Gas / Water. Made From Lightweight 6061 Alloy Aluminum.
OD 5/16 Aluminum Hard Fuel Line/Tubing
2X 6AN Male to 3/8& 5/16 Hardline Tube Fuel Line Fitting
Fuel Line Adapter - 5/16 Quick Connect to Nylon – AGS Company
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
JEGS 635202 Stainless Steel Fuel Line Coil 5/16 in. O.D. x .028 in. Wall Tubing
Fuel Hardline Tube Fitting Adapter Fuel Line Fittings - Temu