Sketchy pistons

Just found these pistons in box of parts I bought. It looks like someone cut the skirts off...would you run them? They measured out to be a 500cc and have a nice dome for a higher CR.

Ashtrays.

Top lands might knock on those ! .

The pistons came from a 500cc twin engine (Dominato 88) that I got with another bike. These barrels have been bored out to accept standard size 600/650 pistons.

I found a pair of +.010" domed 600cc pistons on EBay that are identical to the two ashtrays I've got right now.....is it safe to open up the barrels even more? I'm pretty hesitant to do that considering it's already at ~ +.080" for a 500cc.