Bolts and washers used to mount both lower rocker boxes on Evolution Big Twin and Sportster

they work with a wide range of motorcycles

If your hub is a different width additional modifications to wheel spacing

Parkerized stock screws washers to mount covers on all Harley-Davidson 45's 1937-73

Size 428-2 chain

8mm/1.5 inch Primary Belt Drive - Kick Start - 1979-E1984 Harley-Davidson Big Twins Length_2.312" Bolts and washers used toBDL's 8mm belt drives have been around for many years. Most belt drive enthusiasts still think that these units are the best size and combination for all around riding and dependability. This drive adapts your stock clutch directly into the belt drive clutch basket, or you can upgrade your clutch to BDLs Competitor clutch for 30% more clutch surface than stock. Fits 1979 1984 Shovelhead kick start models. See Additional Information below for fitment.