ATK Engines Remanufactured Crate Engine for 2007-2014 Chevy/GMC Truck & Van with 4.3L V6

Notes:

• Head Cast #: 12557113, 8114
• Block Cast #: 14600324, 342
• VIN X
• Balance shaft
• 2 knock sensors
• Sensor triggers on cam sprocket
• OEM timing cover is aluminum

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.