Mercury Mercruiser GM V-8 305 CID / 350 CID Engines Service Manual., Page 4Get this manual

Mercury Mercruiser GM V-8 305 CID / 350 CID Engines Service Manual., Page 4

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It is important to note, during any maintenance procedure replacement fasteners must have the same measurements and strength as those removedNumbers on the heads of the metric bolts and on the surface