once you get the pistion totaly exposed,(out of the cylinder). there will be two C clips on each side of the pistion rod. pry them out, be carefull they will fly all the way accrost your shop if they spring out. next you have to get the pistion rod out, some times they go easy others they dont. there is a tool to get them out, other wise use a big punch. next you will need to hone the cylinder, hone them by using a cross-hatch pattren, use a even motion and you should end up with a even patteren. then assemble your pistons, make sure the rings are in the right spot and facing the right direction,( up or dowm there will be a marker). put the piston on the connecting rod and pust the piston rod through,( dont forget the bering). then install the c clips, be carfull they are very easy to lose. after this compress the rings with your fingers and and slide the piston onto the cylinder. make sure there the rings are seated with the open section on the ring pin. rember to coat the pistons and cylenders with some injection oil before reassembly. torque the head bolts and fill with coolant.