07-13 Silverado 5.3L LC9 LH6 LH8 LH9 Aluminum Bare Engine Block Gen IV LS 5927

Bare engine block from a 2012 GMC Sierra 1500 5.3L. All 8 cylinders measure out to standard bore (3.78"). The cylinders have minor surface rust and some minor scuffing in a couple cylinders, the worst of which has been detailed in the photos.  **This block will likely need bored to be usable.** All gasket mounting surfaces are in good shape with no visible damage. The lifter bores appear to be in good condition with no deep scratches, gouges or any other damages, and all 16 lifters came out with ease and no issues. The main journals are in good condition, show no signs of excessive heat, and had no spun or damaged bearings when disassembled. All threaded holes and bolt bosses appear to be in good condition and undamaged. Assembly comes as shown, and includes all five main bearing caps and bolts. **This block should be checked by a professional machinist prior to use, as it may need honing, boring, resurfacing or other repair.** The images are of the actual item you will receive. **Original equipment from the following vehicles with a 5.3L aluminum block V8 engine:** - **2007-2013 Chevrolet Silverado 1500 and GMC Sierra 1500 (LC9 engine code)** - **2007-2014 Chevrolet Suburban 1500 and GMC Yukon XL 1500 (LC9 engine code)** - **2007-2011 Chevrolet Avalanche (LC9 engine code)** - **2009-2010 Chevrolet Tahoe and GMC Yukon (LC9 engine code)** - **2009 Chevrolet Colorado and GMC Canyon (LH8 engine code)** - **2006-2008 Chevrolet Trailblazer (LH6 engine code)** - **2005-2006 Chevrolet Trailblazer EXT, GMC Envoy XL, and Isuzu Ascender (LH6 engine code)** - **2005-2009 GMC Envoy Denali (LH6 engine code)** - **2005-2009 Saab 9-7x (LH6 engine code)** - **2008-2010 Hummer H3 (LH8 engine code)** **This is the most desired casting number (12571048) aluminum 5.3L GM block for high horsepower builds, as it has siamesed coolant jackets which makes it perfect for dry sleeving for larger displacement builds.** **Freight shipping is available to any address within the lower 48 states. A $75 lift gate service fee will be added to all orders being shipped to an address** **without** **a loading dock or forklift. No shipping outside the contiguous 48 states. No P.O. boxes. No international shipping.**

• Brand: GM, Chevrolet, GMC
• Bore Size: Standard
• Type: Engine Block
• Manufacturer Part Number: 12571048
• Material: Aluminum
• ID: MJC 2505927
• Importapart: 314-502-3104
• Weight/Location: 115lbs / O3