If the frame you are using is a different axle plate spacing (width) or you are using a non-stock wheel this may affect the rear sprocket alignment

(1-5/16) Precision machined aluminum venturi

45752-50 used on 1949-1984 FL models and 1958-1973 Servi-car with adjustable forks

HANDLEBAR MEASUREMENTS Rise 5" Width 32

Amal 364 Style Single Cable Throttle Triumph Norton BSA Thread Size_1/2-20 If the frame you areThis is a reproduction of the Amal 364 style single cable throttle as used on numerous models of Triumph, Norton and BSA motorcycles. This throttle is for use on 7 8 inch diameter handlebars. Throttle cable adjuster is included. The throttle tube is metal, and the throttle body is chrome plated. Some stock part numbers that reference this throttle are 60 7014, 06 2032, 16 364, 19 7209 and 66 8540.