Merc 420 piston and rings
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Joined: Sep 2010
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From: West Bridgewater,MA
Im looking for a single piston and rings for an 88 merc 420. These are the 420 b/w trs combo. I just need one to get me by for the rest of the season. These are forged dome pistons with a single valve relief, stock bore, 4.25". The number on top of the piston is 3999295. I figure someone has some stock stuff left over from a build.
Let me know what you have.
Thanks
Chris
Let me know what you have.
Thanks
Chris



