Brought to you by Bitter End – Old School Choppers – One-Stop Shopping for Hardcore Chopper Builders.
– These are for non-compensating type set-ups for CHAIN primaries (NOT for belt drives) or compensating sprocket type chain drives. This is for solid mount engine sprockets.
Fits Big-Twin (not Sportster) Harley-Davidson motorcycle models with chain primary drive system and splined motor output shaft where older style solid mount motor sprocket is used (NOT comp. sprockets).
Fits FL 1955-1969
