call LCEngineering.com they have 11.1 and 12 to 1 pistons in a .080 size they are pricy
but there good. just get the forged
since i solved my leaky head issue i havent had any problems at all with my block, look at my signature below, i have 93.5 mm aka keithblack .060 oversize pistons
those 22 water jackets are really thick