help me plz i need to know where i can find alreddy bult peformance 5.9 for a 03 all i wana have to do is put in i have the shop and the time but i just wana get it all in at one time and not have to order a lot of diff stuff so i want a peformance engine alreddy bult

 

Just talk to a few of the big name diesel peformance shops they should be able to build one for you.