MerCruiser Alpha One U-Joint Assembly Yoke 814819A2 3 Upper Unit Gen II 3-Groove Bolt Set Some May be missing you

Some May be missing you can see them in the picture

330 MIE GM 454 V-8 1977-1980 4623115 THRU 5889913

22-99664 2

Stamped 75 on the top of them

912029 / 0912029 Centering Cone

MerCruiser Alpha One U-Joint Assembly Yoke 814819A2 3 Upper Unit Gen II 3-Groove Bolt Set Some May be missing youItem Details & Compatibility This is a complete Yoke Assembly for Alpha One Gen I Sterndrives (1983 1990) Alpha One Gen II (1991 1997) {SN OK999999 & Below} This one has three o ring grooves but will work fine replacing ones with 2 grooves on Yoke Also this would be compatible with 1971 1982 V8 305 350 Stern Drives only because of the measurement of the yoke. 1970 1982 MC 1 & R Drives on Inline engines used a shorter yoke which is not the one