I can't find these pistons. It's a late 70's bobcat 722 with a 711m Ford 1.6 engine. It has a flat head so the dishes pistons have valve reliefs cut in them. Piston is an AE 18684. +.030" oversized.
I bought 18649 +.030 pistons from jensales but the crowns are much smaller and they will clatter.