Triumph Twins Primary Chain Adjuster Trunnions (1) - Choose Trunnion Type Layshaft this will also work for

this will also work for your application

this Switch will save you Headaches

This part mounts your rear fender over the frame loop

We are so confident that our fork boots will not break or crack we will also throw in a 10-year warranty at no extra charge

Fits BSA 650 unit twins from 1971-1972

Triumph Twins Primary Chain Adjuster Trunnions (1) - Choose Trunnion Type Layshaft this will also work forNew Triumph twins primary chain adjuster trunnion. This trunnion will replace Triumph part numbers 70 4148, E4148, 70 5977 & E5977. Imported from England made in England. OEM quality We stock a few types of trunnions to fit Triumph 350, 500, and 650 unit construction models (3TA, 5TA, T90, T100, TR6, T120, etc). Check your parts book to ensure the best fitment. Please use the drop down menu to select which trunnion you need for your application