Rear Wheel Sprocket/Brake Drum 42T. BSA A7/A10 1957-61. Early A50/A65.1962-64. Not all modles. 4 Bolt Disc. Chain 110-056. Chain 530. 5/8 x 3/8.for full width cast iron hub Made in England.
Norton Oilfilter Mounting with Oil Filter /Oilfilter spin On and 2 Bolts 5/16" x 3/4" UNF Thread
All commandos
Dominator, Norton 750 -1972
suitable for Norton, Triumph, BSA
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Made in England