96 12ver rebuild
 

i am going to do a rebuild on my truck, ive got oil in my radiator, and water in my motor, this is a new head, ive had 3 gaskets on it trying to get it to stop, and ive done 2 new oil coolers, and still i get switching between the 2, whats a good place to get new pistons, rings, bearings, and so on, perferably a kit, and a i will also need a new blosck and head.

any suggestions?