When it comes to performance, the GM LS3 engines are renowned for their power, efficiency, and reliability. If you’re looking to give your vehicle a serious upgrade, or need to replace worn-out cylinder heads, our Remanufactured GM LS3 6.0L & 6.2L Cylinder Heads are the perfect solution. Designed to meet the demands of both everyday driving and high-performance builds, these remanufactured cylinder heads offer unmatched quality and reliability.
Whether you’re restoring your engine to factory condition or building a performance powerhouse, these heads are engineered to provide exceptional airflow, improved power, and enhanced engine efficiency. With their high-quality aluminum construction and precision machining, these heads are ideal for anyone looking to optimize their LS3 V8 engine’s performance.
Why Choose Remanufactured GM LS3 Cylinder Heads?
- Engineered for Maximum Performance These remanufactured cylinder heads are precision-machined to ensure optimal airflow, resulting in better engine performance. Whether you’re looking to improve fuel efficiency, increase horsepower, or restore your engine’s original power, these heads are designed to deliver the results you expect.
- Durability and Reliability Crafted from high-quality aluminum, these heads offer durability and strength to handle the most demanding driving conditions. Rebuilt to OEM specifications, they meet the highest industry standards for performance, ensuring long-lasting reliability for your vehicle.
- Perfect for Restorations and Upgrades If you’re restoring a GM vehicle or working on a performance build, these remanufactured cylinder heads are an excellent choice. They’re fully compatible with a wide range of GM models and LS3 engine configurations, including the Chevrolet Silverado, GMC Sierra, Cadillac Escalade, and more.
- Sold in Pairs for Convenience This listing includes both the left and right cylinder heads, providing everything you need for a complete engine overhaul. With both heads included, you won’t have to worry about purchasing additional parts for installation.
- Affordable Performance Get the same quality as OEM parts without the hefty price tag. These remanufactured GM LS3 heads offer a cost-effective solution for restoring your engine to its peak performance without breaking the bank.
Vehicle Fitment
These remanufactured GM LS3 6.0L & 6.2L cylinder heads are compatible with a wide variety of GM vehicles, including:
- Chevrolet: Silverado, Suburban, Tahoe, Avalanche, Camaro
- GMC: Sierra, Yukon, Savana, Canyon, Sierra Denali
- Cadillac: Escalade, Escalade ESV, Escalade EXT
- Other GM Models: Express, Hummer H2, and more
Before purchasing, ensure that your vehicle is compatible with these cylinder heads by checking the engine specifications and casting numbers.
Key Features
- Casting Number: 823 (designed for GM 6.0L & 6.2L LS3 V8 engines)
- Material: High-quality aluminum for better cooling and reduced weight
- Performance: Rebuilt to OEM specifications with precision-machined airflow channels for enhanced power and fuel efficiency
- Compatibility: Perfectly suited for a wide range of GM models, including trucks, SUVs, and performance vehicles
- Sold in Pairs: Includes both left and right cylinder heads for a complete engine overhaul
Returning Your Old Core
At Heavy Duty Parts Company, core returns play a critical role in keeping operations efficient and product costs low for all our customers. Returning your original cylinder heads is simple and free—we include a core return label on the box, and the shipping is on us.
Our core return policy operates on an honor system, meaning we will not charge you if you don’t send back a core. However, returning cores is highly encouraged. These cores provide us with essential smaller components like springs, retainers, and keepers, which help keep our remanufacturing process sustainable and our prices competitive for everyone.
For certain cylinder heads, receiving cores back is especially valuable in helping us maintain quality and affordability across our products. If you don’t have a core to return, please reach out, and we’ll be glad to discuss alternative options. Thank you for supporting our commitment to providing quality parts at accessible prices by honoring the core return process whenever possible.
Remanufactured Pair GM Chevrolet 6.0L 6.2L LS3 # 823 Casting Cylinder Heads