Triumph Long Alternator Mounting Stud 21-1866 1969-72 650 Twins TR6 T120 TR6C Smiths Gear boxes that feature the

Gear boxes that feature the 5-speed variation must use the index plunger under part number 57-7020 / T7020

Also fits various BSA & Triumph 3 Cylinder models with 5 speed gearboxes

All mushroom tappet adjusters feature a round head to help prevent premature valve tip wear

The only models that used the "CN" type bearing where the Triumph & BSA triples (T150

**Features** Made in England

Triumph Long Alternator Mounting Stud 21-1866 1969-72 650 Twins TR6 T120 TR6C Smiths Gear boxes that feature the*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.