Notes: VIN T Head Cast #: 53021616DD/DE Block Cast #: 53021319DK/DL VVT on cam sprocket 4 MDS solenoids in valley (cylinder deactivation) No EGR Active intake 16 valves Engine Break-In Procedure Use conventional or break-in oil (non-synthetic) for the first 600 miles of operation. Do not drive for long periods at any single speed, always vary your speed. Do not tow a trailer or put other heavy loads on the vehicle. Check the engine oil and coolant levels daily. At 600 Miles change the engine oil and filter using conventional (non-synthetic) oil. Check fuel and ignition settings; adjust valves (where applicable). After the first 5,000 of service synthetic engine oil may be used. Follow your vehicle owner’s manual for service intervals. Specifications: Part Type: Engine Cylinder Head Material: Aluminum Engine Block Material: Cast iron Engine Make/Size: Mopar Gen III Hemi Quantity: Sold individually Engine Displacement: 5.7L Engine Type: Replacement Engine Manufacturer's Part Number: DDM4 Shipping Weight: 447LBS Package Height: 29 Package Depth: 39.5 Package Width: 32 Part Category: Replacement Parts Part Fitment: Direct Fit