Triumph Inner Gear Box Gear Change Bushing (1) 57-0412 - 1938-75 - 5T / 6T / TR6 / T120 / T140 BSA Seat Cover then this is exactly what

then this is exactly what you need

Cheese Head Clamping Screws

M Part number is 83-7094

We use to sell an all alloy drift tool (usually red color) but found that the alloy tool was binding and causing unwanted problems when removing and installing valve guides

M Part number is 57-1441 or T1441

Triumph Inner Gear Box Gear Change Bushing (1) 57-0412 - 1938-75 - 5T / 6T / TR6 / T120 / T140 BSA Seat Cover then this is exactly whatTriumph 650 750 Unit & Pre Unit Twins Inner Gear Box Gear Change Bushing. This bushing fits inside your inner gear box, in which your gear change operating unit will slip into. These do wear over time and should be replaced! Fits most Triumph 650 & 750 Unit Twins (Bonneville, T120R, T140, TR6R, Tiger, Trophy, TR7, etc) from 1963 1975. Fits many Pre Unit Triumph 500 & 650 twins from approx 1938 1962. Please refer to your parts catalog for proper