For sale today is a new BSA pre-unit singles timing cover gaskets. Gasket is made in the UK to replace part numbers 66-1920. Fits various BSA pre-unit singles including the B31, B32, B33, M20, M21, Gold Star, etc. Check your parts book to ensure the best fitment
All gaskets are sold each as pictured
**Features**
- Made in England
- OEM part numbers are 66-1920