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 Lower Shift Shaft 815919A1 / 815919 Drive Shaft 45-44209-1 / 45-897625T Top End Gasket Kit 64X-W0001-TG Gasket - Exhaust Pipe 66E-14613-00