Triumph Inner Gear Box Gear Change Bushing (1) 57-0412 - 1938-75 - 5T / 6T / TR6 / T120 / T140 BSA Seat Cover Use the drop down menu

Use the drop down menu to select which manufacture rubber you desire

Fits Triumph Pre-Unit & Unit 650 twins (Bonneville

M Part number is 57-1441 or T1441

All Amal needle jets are 100% authentic and are made by the Amal factory in the UK

Fits on the drive side of the motor - made in Japan by Nachi

Triumph Inner Gear Box Gear Change Bushing (1) 57-0412 - 1938-75 - 5T / 6T / TR6 / T120 / T140 BSA Seat Cover Use the drop down menuTriumph 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