FS- Cap and filler neck

Cap is aluminum, 1 3/4" OD, vented and O-ring sealed, vent can be removed for a non-venting cap. Neck is cold rolled steel, 1 5/8" OD and about 2" long.

This is a weld in neck, yes it will fit your stock tank if you chop the thing and weld this in.

$GONE GONE GONE-