Reproduction rocker feed acorn nuts

BSA singles like the B25

This high-performance magneto delivers a reliable spark and features a built-in automatic advance and retard system to help prevent kickbacks

In 1973 the rocker box inspection cover changed to the large single oval style and these won't fit

The rear sprocket has a 2

#7410-1-US Sprocket Shaft Bearing Retainer with Lip Seal -.002 Undersized Threads 1955-1968 Harley-Davidson 74's Subcategory_Light Mounting Hardware Reproduction rocker feed acorn nutsSprocket Shaft Bearing Retainer with Lip Seal . 002 Undersized Threads Fits 1955 68 Harley Davidson 74's, Made in Ohio, USA.