Locks the clutch shell to the clutch hub on 4 Speed Big Twin models from 1941 thru 1984 when removing or installing the clutch hub nut. NO OFFERS AT ALL ACCEPTED ON THESE PARTS. USED PART FOR FULL RESTORATION, MAY NEED SMALL REPAIR AND PAINT OR RE-CHROMING. HARLEY PARTS R US, 45s, 74s, 80s, pans, knuckles, shovels, evo 1340 we sell all parts. BOBBER CHOPPER OLD SCHOOL. OVER 40 TONS OF NEW AND USED HARLEY ONLY PARTS NO WATER BUFFALOS [V RODS] NO CRUTCH ROCKET PARTS BUELLS OR JAP JUNK…………………………………………. RIVERSIDE STARTED RIDING AND REPAIRING HDs IN 1979, OUR SHOP HAS NOW RE-LOCATED TO WONDERFUL AREA OF OUTSTANDING NATURAL OUTSTANDING BEAUTY IN THE SURREY HILLS. ANY HARLEY-DAVIDSON LOGOs BADGES DISPLAYED ARE FOR R. THANKS JEFF EFERENCE ONLY, AND ARE NOT INCLUDED IN THE SALE, AND WE HAVE NO CONNECTION [THANK GOD] TO HARLEY-DAVIDSON USA FACTORY IN THE USA.