Thread: 2015 ec300e
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  #44  
Old 09-17-2018, 06:50 PM
Jacob 'Berg Jacob 'Berg is offline
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Join Date: Mar 2014
Location: Scottsdale, AZ
Posts: 589
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The last piston I installed into my 2011 250 had the some ring pin configuration over the booster port. I have 40+ hours on it with no issues.
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