will a pk 80 or gt5 piston with a .160 crown fit in a raw motor with a manic mechanic

[riff44raff]

I so can I buy a pk80 or gt5 .160 crown piston and put it in my raw motor ??? the raw has a .100 crown piston and the manic mechaicn heads need a .160 crown piston where can I buy a .160 crown piston ? if not what do I have to do ??? anyone know where to buy a pk 80 motor ?? thank you