Fleece Performance 04.5-05 GM Duramax LLY Cylinder Head (Passenger Side) LLY XDP Logo Featured on the

XDP Logo Featured on the Side

and make more power than stock

connecting rod bolts

the bridges are surface ground for flatness

Adds Approximately 2 Quarts Over Stock

Fleece Performance 04.5-05 GM Duramax LLY Cylinder Head (Passenger Side) LLY XDP Logo Featured on theIntroducing Fleece Performance 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