Part number 66-1920.
This product would be ideal for applications requiring precise timing cover gaskets to seal off the cylinder head in radial piston machines, typically found in heavy-duty compressors, pumps, and gearboxes.
66-3131 BSA B31 B33 M20 M21 PLUNGER GEARBOX OUTER COVER GASKET
BSA B31 B33 M20 M21 C11 centre stand for a rigid/plunger Motorcycle Pt 29-4880
66-2007 Cam Pinion Spindle Bolt Timing Gear BSA B31 B33 M20 M21 Goldstar
4 x Timing Cover Gaskets - BSA B31, B33, M20, M21, etc
BSA B31 B33 M20 M21 TIMING COVER OIL SEALS X2 66-1923
BSA A10, B31 B33 M20 M21, Progressive Fork Springs. Length 285mm