Norton gearbox stop stud and nut for pawl carrier, laydown gearbox, ea. 1/4 x 5/16 BSCy CEI. Check the size of the hole in the return spring cover plate (D12/409) before you order as these vary but all have the same part number. Longer shaft than earlier stud (3630 and A2/411) only for cam plate D12/423 with recess cutaway around bolt holes and . Original Part Numbers: D12/411 - stop stud for pawl carrier 9646; A2/412 - stop stud nut for pawl carrier
