The 2007.5-2018 6.7 HP Reman Cylinder Head is designed to address common failures found in stock and aftermarket heads, providing increased durability and reliability for 6.7L Cummins applications. One of the most significant factory issues is valve seat failure, which can lead to catastrophic engine damage. This remanufactured head features upgraded, heat-resistant valve seats, precision machining, and genuine Cummins valves to ensure long-term performance.

The complete remanufacturing process includes thorough cleaning, crack inspection, resurfacing, and installation of new bronze guides, oversized hardened seats, and thread-in soft plugs for superior durability.

Manufactured by D and J Precision Machine, this cylinder head is the perfect solution for both stock and performance builds.

Warranty:

Parts

12-Months

Labor

12-Months

Emissions:

This product does not require an EO in California. By nature of its design, it is legal for sale and use in all 50 states. Replacement Parts included. (EMS:4)

Features:

• Upgraded Valve Seats - Taller and larger diameter than stock, made from a heat-resistant alloy to prevent loosening and failure
• Improved Heat Dissipation - Larger seats distribute heat more efficiently into the casting, reducing the risk of cracking
• Genuine Cummins Valves - Uses only OEM Cummins valves for unmatched durability and longevity
• Thread-In Soft Plugs - Installed under the valve cover to eliminate failure-prone factory plugs
• High-Precision CNC Valve Job - Ensures restored airflow and sealing for optimal efficiency
• Complete Assembly - Includes all new valve seals, bronze guides, oversized seats, and soft plugs for easy installation