well I want to buy the type s piston , but the guy to me to check the back of the h22a block to found out what letter are the piston and come to found out that there A B B B, that suck cause now he told me that he has to sell me to 2 sets of type s piston one A and B, now my question is the can I just buy all B's and just get the A cyclinder hone alittle to fit the B type piston? or do just buy the 2 sets

Thanks for all you help.