6.6 CHEVY GM STREET SEIRES SPEED OF AIR LONG BLOCK (STD AUTO) 04.5-05 LLY TOPKICK Core Charge Applies plus Core Container Charge (3000) of 500 Crate charge

The DFC Diesel SS6604505LLYTKSOALB Street Series Speed Of Air Long Block is a remanufactured engine designed for 2004.5-2005 GM/Chevrolet 2500HD/3500HD 6.6L Duramax LLY TOPKICK models. It features reliability upgrades over stock, including ARP or OptiTorque head studs, improved gasket sealing in leak-prone areas, and all-new pistons, rings, and bearings. The cylinder heads are fully rebuilt with new valves, seats, guides, and stem seals, then resurfaced and magnafluxed for structural integrity. The engine also includes Total Seal gapless piston rings, a DFC EDM doweled oil pump gear, and a woodruff keyed camshaft. It is suitable for daily driving, light work, and diesel enthusiasts. DFC backs this engine with a 5-year, 160,000 km (100,000 miles) warranty. This is not a complete engine; external components like the turbo, fuel system, and ECM are not included. Professional installation is strongly recommended.