GM 6.6L Duramax Diesel LLY & LBZ casting # 8GF1 (SOLD IN PAIR)
Upgrade Your Engine with Remanufactured GM 6.6L Duramax Diesel LLY & LBZ 8GF1 Cylinder Heads! Fits Years LLY: 2004-2005 Chevrolet Silverado 2500HD & 3500HD GMC Sierra 2500HD & 3500HD Fits Years LBZ: 2006-2007 Hummer H1 Alpha Chevrolet Silverado 2500HD & 3500HD GMC Sierra 2500HD & 3500HD Product Description: Elevate your vehicle's performance with our premium remanufactured GM 6.6L Duramax Diesel LLY & LBZ 8GF1 Cylinder Heads. This sale includes a pair of cylinder heads (right and left sides) designed to restore and enhance the efficiency of your Duramax engine. Features: Complete Remanufacturing: Each cylinder head undergoes a thorough disassembly process, followed by meticulous cleaning in a hot tank for an immaculate finish. Durability Assurance: Pressure testing is conducted to confirm that each head is free of cracks, ensuring long-lasting durability and reliability. Optimal Performance: Equipped with new valve stem seals and a precise 3-angle v