starquest414 Posted October 7, 2011 Report Share Posted October 7, 2011 tearing down my engine and the piston tops are stamped with 54T. is that the stock piston? thanks in advance foir your help! Quote Link to comment Share on other sites More sharing options...
holeysocks Posted October 7, 2011 Report Share Posted October 7, 2011 (edited) maybe Edited October 9, 2011 by holeysocks Quote Link to comment Share on other sites More sharing options...
Indiana Posted October 7, 2011 Report Share Posted October 7, 2011 (edited) There's aftermarket hyperUs with that marking too. The OEM has a machined circle on top in the center and also the mitsu logo on the underside. OEM pistons are cast, not hyperU. Edited October 7, 2011 by Indiana Quote Link to comment Share on other sites More sharing options...
lionbull Posted October 7, 2011 Report Share Posted October 7, 2011 are hypers forged then? Quote Link to comment Share on other sites More sharing options...
Indiana Posted October 7, 2011 Report Share Posted October 7, 2011 Lots of reading on this link about many things for everyone including what HyperU pistons are. http://www.kb-silvolite.com/article.php Quote Link to comment Share on other sites More sharing options...
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