*Now In-Stock!* New BSA "Deep Type" Petrol Tank Top Center Rubber Grommet W/ Logo. Most BSA's we have seen are missing this simple but important rubber grommet! Install and away you go! Diameter measures approx 1 29/64". Fits many BSA Unit Singles & Twins (SS80, SS90, C15, B40, A65S, A65H, Etc) from the 1950's to the 1960's! Please refer to your parts catalog for proper fitment.

•O.E.M Part number is 40-8107 or 68-8170