2004.5-2005 Factory LLY Duramax Cylinder Head (Passenger Side) Fleece Performance Crate Engines and Engine Parts A Titanium Signature Series System

A Titanium Signature Series System also offers advanced filtration benefits that will help protect your Duramax's injection Systems

Nozzles will provide a mix of excellent fuel economy

5/8 inch Suction Lines Fuel Line with 1/2 inch Ports

7L Fuel Rail - Stock Replacement - Includes PRV and Rail Pressure Sensor

2004.5-2005 Factory LLY Duramax Cylinder Head (Passenger Side) Fleece Performance Crate Engines and Engine Parts A Titanium Signature Series SystemIntroducing our Freedom Series cylinder heads for the 6. 6L Duramax! Each cylinder head is manufactured in our state of the art Freedom Racing Engine shop and is guaranteed to meet or exceed factory specifications. All heads are meticulously inspected, pressure and leak tested, and are equipped with new valve guides, springs, and valve seals. Perfect for the daily driver or towing application, these heads utilize stock valves with a 45 degree angle on