Correction! They are .030" over bore Brand new in box SpeedPro pistons, rings, pins, and locks. Pistons are .030" over bore, 3cc (flat top) hyperutectic with coated side skits. I can send pics to a phone #, just pm me the #. Here is a summitracing add of the pistons. The add is stock bore size. http://m.summitracing.com/parts/slp-h614cp $200.....lets make a deal!