washers and nuts used on 1980-1985 FXWG

3/16W 1/4W 5/16W 3/8W 7/16W 1/2W 9/16W 5/8W

Fits all Shovelheads and Knucklehead 1940-1947

no matter what

Some combinations of triple trees

8mm/3 inch Primary Open Belt Drive - Kick Start - Spline Shaft - 1955-1984 Harley-Davidson Big Twin Inside Diameter_.313" washers and nuts used onLooking for that classic open belt drive look with rock solid performance for your vintage Big Twin? This 8mm, 3 inch open belt drive from BDL is widely regarded as the best combination for all around riding and dependability. Proven Dependability: The 8mm, 3 inch belt drive is a time tested setup known by riders for its reliability and performance in all around riding conditions. Specific Vintage Fitment: Designed specifically for 1955 1984 Harley