This seat hinge is used to mount the front of your sprung solo seat to the backbone of your motorcycle frame

These threaded steel bungs are 3/4" diameter and are drilled and tapped all the way through with 5/16"-18 thread

and use a bicycle tire pump or air compressor regulated down to 10 psi

Stock style fasteners used on 1951-1954 Panhead

A durable metal and polyethylene reinforced internal frame helps the bag keep shape whether it is empty or packed to the brim

1948-1965 Harley Davidson Panhead Manual Thread Size_6mm-1.0 This seat hinge is usedDon't be caught without a manual before you dig into a project! This manual features tons of photos and step by step instructions and covers everything from oil changes to complete overhauls. See the bike models covered by this manual in the Additional Information section below.