MerCruiser 23-30617A2 77481 19755A2 Shift Spool Shaft Crank Alpha One 1970s-1990 Bow Rail MerCruiser 470 Engine Block Crankshaft

MerCruiser 470 Engine Block Crankshaft Bearing Caps covers 72198 (cast into the end one)

Shifter lever: 322938

Mounting Bracket:  45377

so I don't know the exact cut-off date

MerCruiser 23-30617A2 77481 19755A2 Shift Spool Shaft Crank Alpha One 1970s-1990 Bow Rail MerCruiser 470 Engine Block CrankshaftItem Details You will receive a set in similar condition to the one pictured here. MerCruiser Sterndrive Alpha One Lower Unit Shift Components Generally Used in MerCruiser Gen I R MR lower units 1970 1990 Specifically Serial Numbers 3780850 & Up Notable Parts Included Shift Shaft 77481 1 Shift Shaft Bushing Assembly 23 30617A2 (May need new seal) Shift Crank 76865 66062 8M2009865 Shift Spool 66067 66067T 19755A2 818349A1 818349T1 Application They used