Quick view Mercruiser Alpha One Replacement Upper Unit 1.47 $1,169.99 $974.99 Mercruiser Alpha One Replacement Upper Unit 1.47 1.47 Ratio also replaces 1.5 ratio Comes with a 9-9/16" [new style] input yoke. For alpha One Gen I Sterndrives (1972-1990) For use up to 300 HP 3 Year Manufacturer's Warranty Item is subject to... Choose Options
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