need help w getting spark

[Piper]

just got back from pulling the heads on both sides. What was beneath was a lot of carbon, some rust and some valves were really crudded up. I cleaned the head and block, piston heads and the smooth (now) faces of the head and block. Some of the studs came out, others the nuts undid. I'm not 100% sure the reason. Hopefully I'll be able to get them back properly. The gaskets are complete but pretty messed up. I'm looking for new ones right now. I ran the starter and the valves seem to be opening/closing now. I need some sort of tool though to turn the crank by hand so that I can get each valve to move up. Any suggestions? Also, any specific suggestions on gaskets?

TIA

Cameron