Rear drive flange gasket, disk brake big twins GU17350700

Rear drive flange gasket for most big twins with rear disk brake, including all Tonti frame through the Vintage, as well as Daytona, 1100 Sport, Centauro, Daytona RS and Quotas. Two of these gaskets are used, one on either side of the shim pack for the rear drive flange.  850T3, T4, T5, S3, Convert, G5, 850 LeMans, LeMans II, CX100, LeMans III, LeMans 1000 all years LeMans IV and LeMans V, SP1000, SP II, SP III, California II, California III, California 1100, EV, Jackal, Bassa, California Special, Special Sport, California Stone, Stone Touring, EV Touring, Aluminum, Titanium, Metal, Vintage, Strada, Mille, 1000S, Quota 1000, Quota ES 1100, Daytona 1000, 1100 Sport carb, 1100 Sport injected, Centauro, Daytona RS, Diameter of the large central hole is approximately 151.5mm