New USA Made Triumph 350 & 500 Unit Twins Open End Layshaft Kick Start Needle Bearing. For a very Long Time this Needle Bearing was Considered “Hard To Find”! Well not anymore! Made by Koyo here in America to complete O.E.M. Specs! Fits Triumph 350 & 500 Unit Twins (Daytona, T100R, T100S, T100T, Tiger, T90, T100SS, T100C & TR5) from 1964-1974 only. Please refer to your parts catalog for proper fitment.

*****Please note that this Bearing is not Compatible with 3TA, 5TA & T100A Twins from 1957-1963 that use the “Floating Bush”!*****
Made in the USAO.E.M Part number is 57-1897 or T1897