I ended up buying new pistons so I don't need this now. It's from Lindy Tool Co. Includes an 11/32" guide rod and stop, a 2.02+ oversize cutter for intake and a 1.60+ oversize cutter for exhaust. It costed $185.50 and it's brand new. $100
(http://i103.photobucket.com/albums/m130/gorgan1314/SDC13553.jpg)