they work with a wide range of motorcycles

If you need to pull your gas tank or do some other service work

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

It is necessary to run a 7/16"-20 tap through the threaded holes to ensure they easily accept the pinch bolts

This kit is designed to match stock gearing for 2006-2017 Dynas

8mm/1.5 inch Primary Belt Drive - Kick Start - 1979-E1984 Harley-Davidson Big Twins Length_2.312" they work with a wideBDL'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.