Gearbox Speedo Drive Shaft Square O Ring - Triumph Pre Unit 500/650cc Models From 1949-62
Square section rubber sealing ring / speedo drive plug - locates on the speedometer drive bush within the gearbox.
Correct fitment on 5T, TR5, T100, 6T, T110, T120, TR6 models from 1949-62
OD: 5/8" (16mm)
ID: 1/2" (12mm)
Thickness: 1/8" (2.5mm)
OEM: 57-0948, T948