Recently picked up a 01.opened her up has a hot rods 4 mil stroker crank. Wiseco 795 pistons stock head stock bore. Pistons are hitting the head. Guy had stock head gasket no spacers no milling. So basically I need pistons and a head now can anyone tell me the correct way to build this. Looking to purchase a pro design head 21cc domes wiseco 795's again and cometic 2mil stroker head gasket