well i needed some .040 over pistons so i found somebody with a deal and i got these. a few look like they blew something up in the cylinder because there are notches on the edges of the pistons.(not the sides but the corners of the sides and tops) anyway, the metal is sort of poking out to where the cylinders would be scared. the machinist said i could try to take a file to them and get them so they would be flat again. but he did not recamend doing that. new ones would be 150 and i want my money back for these first but to do an insurance claim i have to get the sender's shipping reciept which i doubt he will send one via email since he has not done so yet. i tried the file thing today and i think it would work. anybody else know what i should do? i know that everybody would say to not do this but i just wanna try it before i go get some new ones.would this be considered as MAIL FRAUD, or is that only when they do not send the item. he said they only had about 60 miles on them maybe. thanks.
this looks like metal from something else because it is on top of the pistons surface and looks like a seam.
the shiny parts are the notches.