2004.5-2005 Duramax LLY Factory Cylinder Head (Driver Side) (FPE-61-10002-D) 2003 - 2007 Dodge Interior

2004.5-2005 Duramax LLY Factory Cylinder Head (Driver Side) (FPE-61-10002-D) 2003 - 2007 Dodge InteriorIntroducing 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

If the slip is severe enough and given enough time

We’ve designed this package to eliminate the restrictive and failure-prone OEM EGR components

restores horsepower

Our red powder-coat or natural finish stops before the end of the tubes for better grip ensuring our 4- and 5-ply heavy-duty high-temperature silicone couplers hold tight under high-boost conditions

Banks hot and cold side tubes have up to 103% greater flow area than stock tubes

and managing EGTs better than those limited with factory nozzle rings

This race kit completely replaces the entire EGR system and can be installed in 6-8 hours without the removal of the intake manifold

7L P1  4" Installer Series Race Pipe w/ Muffler (CFAL462)

Want More Power when you need it

XHD Series Quad Disc Converter - two stalls available: Stock (Tow/Daily 1800-2000 RPM) High (Street/Track 2400-2600 RPM)

These spacers bolt onto the axle directly under the factory bottom coil mount and can lift your truck while maintaining ride and load capacity

6L Duramax Vane Position Sensor