My cost is $7000 for the 5.0L from a M113 500 Benz. Shipping of the car is on your end. If you'd rather have a shop do it, then maybe $10,000 - $12,000 (estimating low) and you'll still have to buy an ECU from me ($1500), and exhaust manifolds ($200 - $500, I'd have to talk to my fab guy) if your shop can't figure out what to do with the exhaust.