Spring cleaning, found the following big bore pistons:
SOLD
8949P6841 68.41mm 18mm pin, Set of 4 piston kits
USED 8825 65.41mm 18mm pin, round hole, tops and skirts coated since ran. Pistons only, not kits
8802P715 71.5mm 16 pin 3 piston kits
8988 69.40mm 16 pin 1 piston
Check back, I'll be...