What size AN fitting do I need for my 1965 Mustang?
Documented on the 1965 Ford Mustang build
Published August 5, 2026
AN size depends on your fuel system setup (carburetor feed, fuel pump, return system).
Full Answer
AN size depends on your fuel system setup (carburetor feed, fuel pump, return system). Common sizes are -6 or -8 AN for small-block V8s, but verify the hose and fitting size used on your specific installation before ordering replacements.
Documented In This Build
Related Knowledge
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Related Parts
Fuel hose clamps
$8
Braided AN fuel hose (example -6 AN)
$60
AN swivel fittings / hose end fittings (set)
$40
Fuel-safe rubber hose (temporary or OEM style)
$25
Fuel pressure gauge (diagnostic)
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Related Tools
AN wrenches / open-end wrenches
Floor jack and jack stands
Safety gloves and eye protection
Line/flare-nut wrenches
Hose cutter / rotary cutter
Fuel catch pan / rags
