Products MercuryDrive Shaft / Propeller Shaft / Shaft Back Drive shaft 45-55796-1 / 55796-1 Item number: 45-55796-1 / 55796-1 Fit on Mercruiser Alpha One Gen II Length: 4-7/16" With Oil Hole You May Also Be Interested In Drive Shaft 45-881938 / 45-858711 Shift Spool 818349T1 / 818349A1 / 818349 Pinion Nut 911753 Piston Kit 09-808-04