2004.5-2005 Duramax LLY Factory Cylinder Head (Driver Side) (FPE-61-10002-D)Introducing 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

7L Cummins allows you to convert to a more convenient Donaldson spin-on filter and will lower your ongoing filter maintenance costs

Additional efficiencies are achieved with our adjustable heavy sprung Waste Gate Control to prevent leakage or creep from the stock spring compressing

Kryptonite UCA's are compatible with any stock or leveled 2500-3500 HD and most suspension lift kits

IMPORTANT NOTE:

losing its capability to properly lubricate your engine vitals

Built from heavy duty aluminized steel MBRP's Installer Series exhaust systems offer a value price without compromising on the quality build of every componentnt

flat tappet camshaft engines and tight clearance nitrous engines (under

1998-2004 Dodge trucks that have had an OEM intank pump conversion done require retrofit kit to install Flow-MaX lift pump

P-Series Rod Bearings have high crush for maximum retention and a reduced overlay thickness to prevent overlay fatigue sometimes referred to as hen tracking

blocking rust and corrosion for years of protection

Install an ARP 250-4203 Diesel Head Stud Kit from OCDiesel and upgrade your 2008-2010 Ford 6

Coolant line & Filter