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I need to put some pistons in my 1993 580xlt...The piston is marked 58e on them..Does this mean something? I wanna order some new pistons but dont know if it is standard or bigger.
 

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If it's been bored out, there should be the oversize stamped on top of the piston. Don't know what the 58e means. Have your cylinder bores checked for size before ordering them, then you will know fore sure how big you need to go.
 
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