With ball bearing lock up clutch. No oil filter connection on the motor plate. The Street Drive is, and has been, the standard in 3" open drives for years. Complete with the performance proven standard BDL (ETC) clutch. With 72-47 drive ratio. Note: See 518586 for the replacement 3" wide 141t. 8mm belt. Note: Street Drive replacement parts. BDL Street Drives can come with different clutch set-ups. All Motorcycle Storehouse Street Drives come with just one clutch type, the reliable performance proven standard BDL ETC clutch. See our BDL replacement parts section in our catalog for the appropriate replacement parts for your drive.