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Sterndrive Locknut for MerCruiser

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By replacing one of your outdrive locknuts with this stainless steel adaptor, you can install your own lock thru it to help prevent outdrive theft. This has a 7/16-20 thread. It will fit all #1 MerCruiser drives made from 1965 - Date including Pre-Alpha "R", Alpha One "MR", Generation II and all Bravo's. 

This will not fit TR or TRS. Great for winter storage or anytime your boat is out of the water.


         : Order # 7990



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