M20/21 GASKETS

!

GASKET UNDER BOWLERHAT
15-4316
!
Gasket for the central clutch cover

FELT WASHER

42-7504
!
Fits all primary chaincases on separate gearbox BSA's

M20/21 HEADGASKET
66-0058
!

CORK GASKET PRIMARY CHAINCASE M20/21
66-7514
!

Also B31/32/33/34 with steel primary chaincase.
NOT C11G