AJS/MatchlessTwin Gasket Set M20 with copper head gasketID Head gasket: 74,2 mm 500ccm OHV M20 1953-55 Matchless 500cc OHV G9 TwinMade in EnglandPlease look at all pictures
suitable for: A.J.S. 350ccm. OHV 16M. 1938-48 Matchless 350cc. OHV WD 1940-46 G3L 1940-46 Iron Head AND FITS SOME EARLIER MOD. FROM 1937Head Gasket measurementsID 74 mmOD 84 mmMade in England