Description
Stage 4 6.7L Cummins Performance Head Our Stage 4 Cummins Performance Head is designed for extreme high performance. It includes everything in our Stage 3 Head, along with a D&J Stage 4 Billet Runner Style Intake Manifold. This head can only be used with a 6.7L (4.212 inch) bore or larger. Key Features: Oversize Super Alloy Valves: 1.500-inch super alloy intake valves and 1.450-inch super alloy exhaust valves for improved durability and performance.
Features
- Upgraded Valve Seats: Heavy-duty extra-large intake seats address the issue of stock intake seats falling out in 1000+ hp trucks, ensuring durability and reliability.
- Thread-In Soft Plugs: Prevents soft plugs under the valve cover from coming out and filling the crankcase with coolant.
- Billet Runner Style Intake Manifold: This intake manifold provides equal airflow to all cylinders, ensuring balanced EGTs between 70-125°F across cylinders.
Fitment
- 2007.5-2018 Dodge Ram 6.7 Cummins
- 2007.5-2018 Ram 6.7L Cummins
Details
- Manufacturer: D&J Precision Machine
- Manufacturer part number(s): DJPCH100078
- Condition: New
Core Return
This product requires a $800 refundable core deposit, added at checkout. The deposit is refunded once your old core is returned and passes D&J Precision Machine inspection. Cores must be in good condition with no cracks and must be rebuildable. D&J inspects cores on arrival. For core return help, call Ducky Fuel Injection at 479-799-3953 before you ship.
Shipping
Manufacturer Contiguous U.S. flat-rate freight for cylinder heads: $300 for Contiguous U.S. addresses, added at checkout. Alaska, Hawaii, and Canada require a freight quote — call us before ordering. This is separate from any refundable core deposit.
Questions about fitment? Call or email the Ducky Fuel Injection team before you order. Call us at 479-799-3953.
California and Emissions Notice
This product is not legal for sale or use in California, or on any pollution-controlled motor vehicle where state or local law prohibits it. It does not have a California Air Resources Board (CARB) Executive Order. You are responsible for checking and following the emissions laws in your state before you buy and install it. Questions? Call us at 479-799-3953.
