BDL Open Belt Drive Kit For Harley Softail / Dyna BDL offers their open belt drive kits for superior upgrading your performance and rideability. This kit is a 2 drive which features a black belt guard that fits between the motor plate and outside cover. The kit also features their patented ball bearing lock up clutch which is standard on all BDL drives. Features Features a two piece motor plate design and 2 primary belt 52/69 pulley combination for a 1.32:1 final drive ratio Belt profiles are unique to each kit Front pulley face and spring collar have a matching pattern to the rear pulley Front pulley cover is counter bored for a clean appearance Diaphragm clutch is a 6 bolt configuration for a more firm feel and improved appearance Ball bearing pressure plate