BDL, primary chain drive kit. With rigid motor sprocket - 70-83 B.T.(NU) 518738 lens diameter 7

lens diameter 7

Note: two holes must be drilled for installation

Perfect for light but bulky loads like

and all necessary hardware

BDL, primary chain drive kit. With rigid motor sprocket - 70-83 B.T.(NU) 518738 lens diameter 7With a rigid motor sprocket. This BDL chain drive kit comes complete with everything you need and comes with a classic rigid motor sprocket without a damper as used on 55 69 Big Twin models. Kit consist of a primary chain, primary chain adjuster, the motor sprocket, and a complete rear clutch shell sprocket assembly. The clutch shell includes a starter ring gear for electric start options and contains the BDL competitor clutch for positive shifts and