Remanufactured Pair GM Chevrolet 6.0L 6.2L LS3 #823 Casting Cylinder Heads with Head Gasket Set & Bolts

Product Description:

Upgrade your engine with Remanufactured GM LS3 Heads designed for maximum performance. These remanufactured GM LS3 heads are perfect for both 6.0L and 6.2L LS3 V8 engines, offering exceptional airflow, compression, and overall engine efficiency. Fully rebuilt to meet OEM specifications, these heads ensure that your engine performs like new, whether you’re restoring it or upgrading for more power.

Crafted from high-quality aluminum, these remanufactured GM LS3 heads are precision-machined for better airflow and enhanced performance. Along with the cylinder heads, this set includes head gaskets and bolts—everything you need for a complete, hassle-free installation.

Whether you’re restoring your engine or working on a performance build, these heads offer the reliability and power you need. Get the performance you expect with the value of a remanufactured product, offering you both affordability and top-tier engine efficiency.

Features:

• Casting #: 823 (Ideal for GM 6.0L 6.2L LS3 engines)
• Material: High-quality aluminum construction for reduced weight and better cooling
• Compatibility: Designed for 6.0L and 6.2L LS3 V8 engines
• Rebuilt to OEM specifications: Precision-machined for improved airflow, power, and durability
• Sold in pairs: Includes both left and right cylinder heads for a complete engine overhaul
• Includes Head Gaskets & Bolts: Everything you need for installation
• Perfect for Performance Builds: Ideal for engine restorations and performance upgrades
• Core Return Required

Why Choose These Cylinder Heads:

• High-quality rebuilds that meet or exceed OEM specifications
• Rebuilt by experts for excellent sealing, performance, and durability
• Improved airflow for more power and better fuel efficiency
• Fully compatible with GM 6.0L & 6.2L LS3 V8 engines
• An excellent solution for engine restorations and performance enhancements

Vehicle Fitment:

• AVALANCHE 1500: 2007-2009 (6.0L), 2010 (6.2L)
• CAMARO: 2010-2012 (6.2L), 2013-2015 (6.2L, VIN J – L99, VIN W – LS3)
• CAPRICE: 2011 (6.0L), 2012-2017 (6.0L)
• CORVETTE: 2008 (6.2L), 2009-2013 (6.2L, VIN W – LS3)
• ESCALADE: 2007-2008 (6.0L), 2009-2013 (6.2L), 2014 (6.2L)
• ESCALADE ESV: 2007-2014 (6.0L)
• ESCALADE EXT: 2007-2013 (6.0L)
• EXPRESS 2500 VAN: 2008-2010 (6.0L), 2011-2016 (6.0L, opt L96), 2017-2020 (6.0L, opt L96)
• EXPRESS 3500 VAN: 2008-2010 (6.0L), 2011-2016 (6.0L, opt L96), 2017-2020 (6.0L, opt L96)
• G8: 2008-2009 (6.0L), 2009 (6.2L)
• HUMMER H2: 2008-2009 (6.2L)
• SAVANA 2500 VAN: 2008-2010 (6.0L), 2011-2016 (6.0L, opt L96), 2017-2020 (6.0L, opt L96)
• SAVANA 3500 VAN: 2008-2010 (6.0L), 2011-2016 (6.0L, opt L96), 2017-2020 (6.0L, opt L96)
• SIERRA 1500 PICKUP: 2007 (6.0L), 2008-2009 (6.0L), 2009-2013 (6.2L)
• SIERRA 2500 PICKUP: 2007-2012 (6.0L), 2013-2019 (6.0L, gasoline)
• SIERRA 3500 PICKUP: 2007-2014 (6.0L), 2015-2019 (6.0L, gasoline)
• SIERRA DENALI: 2007 (6.0L), 2008-2010 (6.0L), 2011-2013 (6.0L), 2014-2018 (6.0L, gasoline), 2019 (6.0L)
• SILVERADO 1500 PICKUP: 2007 (6.0L), 2008-2009 (6.0L), 2009-2013 (6.2L)
• SILVERADO 2500 PICKUP: 2007-2012 (6.0L), 2013-2019 (6.0L, gasoline)
• SILVERADO 3500 PICKUP: 2007-2014 (6.0L), 2015-2019 (6.0L, gasoline)
• SUBURBAN 1500: 2007-2009 (6.0L)
• SUBURBAN 2500: 2007-2013 (6.0L)
• SUBURBAN 3500: 2016-2018 (6.0L)
• TAHOE: 2008-2009 (6.2L)
• YUKON: 2007-2014 (6.2L)
• YUKON XL 1500: 2007-2009 (6.0L)
• YUKON XL 1500: 2007-2014 (6.2L)
• YUKON XL 2500: 2007-2013 (6.0L)

Why Choose Our Heads:

• Affordable Performance: Get the same quality as factory-original parts, at a lower price.
• Complete Kit: Includes head gaskets and bolts, saving you time and effort in sourcing additional components.
• Perfect for Restorations and Builds: Ideal for engine restoration or upgrading your engine’s performance.

Heavy Duty Parts Company – Core Returns Policy

At Heavy Duty Parts Company, core returns are essential to our ability to provide high-quality, cost-effective cylinder heads to our customers. These returned cores supply essential components, such as keepers, springs, and retainers, which are critical to engine performance.

No Core Charge – Just Send It Back!

Unlike other companies, we do not charge a core fee upfront. Instead, we rely on our customers to return their used cores to keep our supply chain running smoothly.

Why Core Returns Matter

• Many small but essential parts from cores are reused to maintain OEM-quality cylinder heads.
• Returning cores keeps prices competitive by reducing the need for costly new components.
• It supports sustainability by minimizing waste and conserving resources.

Send Back All Components

To ensure the quality and integrity of our remanufacturing process, we ask that you return all components that were originally included with your new cylinder head. This includes items such as:

• Rocker arms
• Camshafts (if applicable)
• Any other hardware that came with your purchase

Easy & Free Core Return Process

• Each purchase includes a prepaid core return label in a plastic sleeve on the box.
• Simply pack your core with all included components, attach the label, and drop it off with the carrier—no extra cost to you.
• Returned cores undergo inspection and recycling, ensuring maximum efficiency.

Customer Partnership & Sustainability

By returning your core and its components, you help maintain a reliable supply chain, ensuring we can continue offering top-quality products at the best prices. This process not only benefits your wallet but also contributes to a greener and more efficient automotive industry.

We appreciate your support in keeping our business and the industry running smoothly!

Chevrolet

General Motors

Shop