*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.

*****Please note that this Stud is only compatible with 1969-1972 Triumph 650 Twins! This stud will not work on 1963-1968 650 models as they use a different thread pitch.*****

We also carry the “Short” Alternator Mounting Stud! Search 21-1867
Made in the UK
O.E.M Part number is 21-1866 or S1866