Thread: What grade...

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  1. #1
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    What grade...

    bolt should I use to bolt the engine to a jackplate? I'm gonna add Bob's 2" spacers so I'm gonne need bolts that are at least 5" long... Thx Dan

  2. Mercury 3L/4 Stroke/Verado Moderator EuropeanAM's Avatar
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    #2

    Re: What grade... (Dan200xl)

    NO LESS than grade 8. Personally, I prefer to utilize the OEM bolt kits, which come in various sizes from 2.5-5.5" in length, and include four bolts, all washers, and new nuts.



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