Description
Aluminum GM GMC Chevrolet Hummer Cadillac 6.0L 6.2L OHV V8 Cylinder Head – Fits 2005-2008 LS3 L92 Models (Cast Number 823)
This high-performance aluminum cylinder head is designed for GM, GMC, Chevrolet, and Cadillac vehicles, offering superior durability and reliability. Engineered to fit 6.0L and 6.2L OHV V8 engines, this cylinder head is compatible with a wide range of models, including Sierra, Silverado, Yukon, Suburban, Escalade, and more. The product is designed to match casting number 823 and is compatible with LS3 and L92 square port engines from 2005 to 2008. A core return is required.
Models Supported:
- GM Trucks: Sierra, Silverado, Suburban, Yukon, Avalanche, Tahoe.
- Cadillac: Escalade.
- Chevrolet: Chevy Van, Hummer H2.
Key Features
- Fitment: Compatible with 2005-2008 GM, GMC, Chevrolet, Cadillac, and Hummer H2 models.
- Engine Compatibility: 6.0L and 6.2L OHV V8 engines (LS3 L92 Square Port).
- Casting Number: Designed specifically for casting number 823.
- Durable Construction: Made from high-quality aluminum for long-lasting performance.
- Core return required for purchase.
Clearwater Cylinder Head – Core Returns Policy
At Clearwater Cylinder Head, core returns help us provide top-quality, affordable cylinder heads. Returning your old core allows us to reuse key components like keepers, springs, and retainers, keeping our products reliable and cost-effective.
Core Charge Policy
A core charge is not billed upfront, but if the used core is not returned within 30 days of receiving your new cylinder head, the core charge will be applied.
Why Core Returns Are Important
- Helps maintain OEM-quality cylinder heads.
- Keeps prices low by reducing the need for new parts.
- Supports sustainability by minimizing waste.
What to Return
To ensure a smooth remanufacturing process, please send back all parts originally included, such as:
- Rocker arms
- Camshafts (if applicable)
- Any other hardware that came with your purchase
Simple & Free Return Process
- A prepaid core return label is included in a plastic sleeve on the box.
- Pack your core with all its components, attach the label, and drop it off—no extra cost to you.
- Returned cores are inspected and recycled for future use.
Working Together for Quality & Sustainability
By returning your core, you help us keep costs down and ensure a steady supply of high-quality cylinder heads. If you do not have a core to return, please inquire about your options.
Thank you for supporting our process and the automotive industry!
Clearwater Cylinder Head, Inc. – Quality You Can Trust
At Clearwater Cylinder Head, Inc., we thoroughly clean, inspect, and pressure test all our cylinder heads. Using state-of-the-art equipment, we perform all seat and guide work, resurface the head to the required finish, and ensure a perfect seal between the valve and the seat with quality valve seals and vacuum testing. Therefore, our commitment to quality craftsmanship ensures that every cylinder head is ready for installation and built to last. Whether you’re replacing a worn cylinder head or upgrading for enhanced performance, our products meet or exceed OEM standards.
Shipping Information
Rates apply to the continental United States only. For Alaska, Hawaii, Guam, Virgin Islands, and Puerto Rico, please call or email for shipping rates. We ship worldwide, with insurance, packaging, and handling included in the shipping price. International bidders, please include your city, country, and postal code when inquiring about shipping fees.
Warranty Information
- Coverage: Clearwater Cylinder Head, Inc. provides two-year unlimited mileage parts warranty. A warranty card is included with your invoice.
- Terms: Acceptance of the head includes acceptance of the warranty terms:
- Heat tab must be intact and unaltered.
- Returns must be accompanied by a copy of the invoice and a Return Authorization number.
- Warranty covers parts only; no labor or incidental costs.
- Warranty does not cover damage from improper installation, overheating, abuse, or neglect.
Contact Us
If you have a rare or hard-to-find cylinder head, let us rebuild it for you. We have thousands of heads in stock and deal with all makes and models. If you don’t see the cylinder head you need, please contact us at 1-800-572-1963. Our knowledgeable staff is ready to assist you.
Operating Hours: Monday – Friday, 8 AM to 5 PM EST
Address: 5100 Ulmerton Road #2, Clearwater, FL 33760, USA
Additionally, Learn More and Shop with Us
- LS3 Heads – Everything You Need to Know about LS3 Heads
- Explore our other Chevrolet Cylinder Head products – Clearwater Cylinder Heads – Chevrolet Cylinder Head
