PART NUMBER IS 57-1539.
TRIUMPH PRE UNIT CLUTCH LEVER COVER RUBBER BOOT - 57-0495
Triumph Pre Unit Clutch Cable Doherty 55 “ Inner 1955-57 60-0306 793
TRIUMPH PRE-UNIT CLUTCH PRIMARY SEALING DISC PLATE T120 BONNEVILLE TR6 - 57-1381
Triumph Pre Unit Throttle/Twist-Grip 15/16 in - Triumph T100 Pre Unit - 97-0697
TRIUMPH PRE UNIT & UNIT 7 THIN PLATE CLUTCH CONVERSION BSA A65 57-1362 UK MADE
TRIUMPH PRE UNIT GEAR BOX CLUTCH ADJUSTER BOSS NEW OLD STOCK