Triumph Gearbox Index Plunger Housing Washer (1) 57-3978 - 1970-82 - T120 / T140 / TR7

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New Triumph 650 & 750 Twins Index Detent Plunger Housing Washer. When ever you remove your index plunger housing, we always recommend changing the washer along with it. This washer is an alloy "crush" type washer. Fits Triumph 650 Unit Twins (Bonneville, T120R, Tiger, and TR6C) for the year of 1970. Fits Triumph 750 Twins and Triples (T150, T160, T140, TR7, Etc) from 1970-1982. Please refer to your parts catalog for proper fitment.


*****Always check your parts book to ensure that this part is correct for your application.*****


•Made in England
•O.E.M Part number is 57-3978 or T3978