This guy sells 413 pistons does not list the size though!
(?? standard, +.030 +.060???)
http://www.ebay.com/itm/Dodge-Chrysler-4...a#ht_1671wt_808

He also lists a 426 master kit. on his sight for master kits he says list piston size??
http://www.ebay.com/itm/Dodge-Chrysler-4...a#ht_1671wt_808