Gearbox Main Bearing for High Gear 4-speed models.
All pre-units, all 650 unit 4 speed, some Nortons, BSA, Matchless gearboxes: OEM:57-0448, 57-3556, A2-316, 68-0023, 04-0098.
Ø1=2½" (63,5mm)
Ø2=1 1/4" (31,8mm)
T=5/8" (16mm)
21-0594
57-1370 Gear Bush for T120/TR6 4 speed models.
71-2800 crank plug T120/T140 Unf
70-9703,70-4152,70-5087 , Tie Rod, Nut, and trunnion
57-3929
57-2259 UNC Drain / adjuster plug
