The Fleece Performance Freedom Series cylinder head for the 6.6L Duramax is a remanufactured performance component designed to meet or exceed factory specifications. Manufactured in the company's advanced Freedom Racing Engine shop, each head undergoes meticulous inspection, pressure testing, and leak testing to ensure quality and durability. Equipped with new valve guides, springs, and valve seals, these cylinder heads feature precision-ground stock valves with a 45-degree angle on both the intake and exhaust ports. They are ideal for enhancing performance in daily driving or towing applications, providing reliable power and efficiency. The heads are designed as direct replacements, offering a cost-effective upgrade with no core charge, and come with a one-year limited parts warranty for added peace of mind.
Compatible with 2006 to 2010 GM Duramax 2500 and 3500 models equipped with LBZ or LMM engines, these cylinder heads are suitable for both street and towing use. They are intended for installation as bolt-on replacements, ensuring straightforward fitment for vehicle owners and professional technicians. The heads are perfect for those seeking to restore or improve engine performance, durability, and efficiency in heavy-duty applications. Whether for daily driving, towing, or performance upgrades, these remanufactured heads provide a reliable solution to enhance your Duramax engine’s capabilities.
