BDL, BB-Lock primary chain drive kit. Compensated - 98-06 Big Twin (excl. 2006 Dyna) (NU) 506962 Note: Must replace the factory

Note: Must replace the factory vent line from back of engine to oil filler spout

Upgrade for customized motorcycles requiring the best performance

Fits stock S&S E/G air cleaner housing

available in chrome or black anodized

dimensions 11" wide x 5

BDL, BB-Lock primary chain drive kit. Compensated - 98-06 Big Twin (excl. 2006 Dyna) (NU) 506962 Note: Must replace the factoryWith BDL's patented compensator 25 tooth motor sprocket. This kit comes with the proven BDL Ball Bearing Lock up clutch for no clutch slip action. The BDL solution in primary chain drive technology. Note: See 518937 for the identical kit equipped with a rigid 25 tooth motor sprocket.