New! UK Made Triumph 350 & 500 Twins Primary Chain Adjuster Tensioner. Replace your worn out blade with this O.E.M. quality part made in England! Quality you can trust! Notice the correct cutaway on the front? We thought you did! Fits all Triumph 350 & 500 (Daytona, T100, T100R, 3TA, 5TA, T90 & T100C) models from 1958-1974. Please refer to your parts catalog for proper fitment.*****Please note that this primary chain blade can be also used on Triumph 650 models but not vice-versa!*****Made in the UKO.E.M Part number is 70-6283 or 70-4149