*Just Arrived!* New UK Made Triumph Unit 650 & 750 Twins Gearbox Blanking Plug Welch. Didn’t know this part was replaceable? Well you are not alone! Top quality English made blanking plug to replace your damaged or missing plug as located behind your gearbox! Fits all Triumph 650 & 750 Unit Twins (Bonneville, T120, Tiger, TR6, T120TT, T120C, T140, TR7, Trophy, TR6SC, TR6SR, TR6SS & TR6C) from 1965-1983. Please refer to your parts catalog for proper fitment.*****Please note that this part is not compatible with 1963/1964 650 Unit models as they use a blanking bolt and not a plug!*****Made in the UKO.E.M Part number is 57-1920 or T1920