M Part number is 57-2540 or T2540
*****Always check your parts book before purchasing to ensure that this part is correct for your application
Gear boxes that feature the 5-speed variation must use the index plunger under part number 57-7020 / T7020
All mushroom tappet adjusters feature a round head to help prevent premature valve tip wear
For sale is a new Triumph twins rear license number plate
Triumph Long Alternator Mounting Stud 21-1866 1969-72 650 Twins TR6 T120 TR6C Smiths M Part number is 57-2540*In Stock & Ready To Ship!* Brand New Top Quality English Made Triumph 650 Twins Long Alternator Mounting Stud. Without this stud, you can not mount your alternator! Which means, you cant ride! Replace your stripped or missing stud today! Measures 5 16 X 18 TPI By 4 3 8 X 24 TPI. Fits all Late Triumph 650 Unit Twins (Bonneville, T120, Tiger, TR6, Trophy, TR6C, T120RV & TR6RV) from 1969 1972 only. Please refer to your parts catalog for proper fitment.