Distinguishing features include a premium polished 6061-T6 billet aluminum backing plate, high performance Alto clutch plates, Goodyear 2 belt & stainless clutch basket inserts to eliminate clutch plate wear on the outer basket. 53T motor pulley & 72T transmission pulley. Not designed for use with mid-controls. Tech Note: Will work with floor-boards although some spacing/modofications may be required.The item "Ultima Black 2 Open Belt Drive Complete Primary 07-17 Harley Softail Dyna" is in sale since Thursday, November 30, 2017. This item is in the category "eBay Motors\Parts & Accessories\Motorcycle Parts\Drivetrain & Transmission\Other Transmission Parts". The seller is "americanclassicmotors" and is located in Zieglerville, Pennsylvania. This item can be shipped worldwide.