Thread: What are these strange Pistons?
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Old 12-01-2016, 07:36 PM   #3
alanwoodieman
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Join Date: May 2010
Location: upstate SC
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Default Re: What are these strange Pistons?
99A denotes 39 Merc which is a 239 engine. I have several of these on the shelf removed from a 40 Merc engine
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