New Top Quality Triumph & BSA Unit Twins Clutch “Trap Door” Oil Seal. As we always say here at C.B.S., don’t settle for Cheap & Low Quality Oil Seals! Do your Rebuild theCorrect way… the First Time! Just install and away you go! Fits all Triumph Unit 650 “4 Speed” Twins (Bonneville, Trophy, TR6, T120 & TR6C) from 1968-1972 only with the Correct Clutch Window Cover. Also fits Triumph 350 & 500 Unit Twins (Daytona, T90, T100R, T100C, T100T, TR5T & T100S) from 1968-1974 only. Please refer to your parts catalog for proper fitment.

*****Please note that this “Trap Door” Oil Seal will not work on 1963-1967 Triumph 650 Unit Twins as the Size is Different! Inspect & check your parts book!*****


Made in TaiwanO.E.M Part number is 70-7565 or E7565