New BSA A7 & A10 Twins Crankcase To Inner Chain Case Gasket. Stop those pesky oil leaks by installing this new gasket. Made in England to replace part number 42-7509. Sold each. Fits BSA A7 & A10 Pre-Unit twins (Goldenflash, Road Rocket, Super Rocket, Shooting Star, etc) from 1950-1963. Please refer to your parts catalog for proper fitment.
•Made in England
•O.E.M Part number is 42-7509