Norton gearbox gear change return spring cover plate + cam plate + stop studs for pawl carrier (U). Suit Norton gearboxes approx 1934 to 1945Original Part Numbers:3628; - return spring cover plate3642; A2/422 - cam plate3630; A2/411 - stop stud for pawl carrier x 29646; A2/412 - stop stud nut for pawl carrier x 2