Triumph 18D2 Distributor Sheath Rubber Cover Boot 70-3863 1957-62 3TA 5TA T100A 70-3586 *****Please note that this Bearing

*****Please note that this Bearing is the "Mertric" type as used only on A50 & A65 Rear Hubs

You will get a total of four tappet adjuster nuts as pictured

Our lenses come bare with the proper color and markings making them OEM

which means there are no rivets to gouge your Brake Drum when the shoes start to wear

Triumph 18D2 Distributor Sheath Rubber Cover Boot 70-3863 1957-62 3TA 5TA T100A 70-3586 *****Please note that this BearingNew Top Quality English Made Early Triumph 350 & 500 Unit Twins Distributor Sheath Cover. If your restoring your Triumph Unit Twin back to Factory standards, then you will need this part! These where installed to keep Water & Debris of your "Dizzy" 18D2 Distributor! Fits Triumph 350 & 500 Unit Twins (3TA, 5TA, Twenty One, T100A, T100SC, Etc) from 1957 1962 that where equipped with Distributors. Please refer to your parts catalog for proper fitment.