Models DUCATI 750 SS Race 1972 Selector drum 7 43 1 Prusa i3 MK3 MMU2 Spool Holder 15 171 1 Prusa i3 MK3 r3 180 3563 3 Ducati 750 Race 1972 High flow oil pump 7 68 1 Primary transmission DUCATI 750 Race 1972 18 245 2