Fleece Performance FPE-61-10005-HD 5.9L Freedom Series Cummins Cylinder Head (Street-HD)

Fleece Performance FPE-61-10005-HD

The Fleece Performance FPE-61-10005-HD 5.9L Freedom Series Cummins Cylinder Head (Street-HD) is a high-quality replacement designed for 2003-2007 Dodge Ram 2500/3500 trucks equipped with the 5.9L 24V Cummins engine. Built to meet or exceed factory specifications, this cylinder head is ideal for daily driving, heavy-duty towing, and performance applications.

Product Highlights

• Hardened, oversized press-in valve seats for enhanced durability

• Heavy-duty Fleece 105# valve springs for improved valve control under load

• Tool steel retainers for added strength and reliability

• New valves and valve guide liners to ensure optimal sealing and performance

• 11 screw-in freeze plugs to eliminate coolant leaks under the valve cover

• Fully assembled and painted for a ready-to-install solution

Detailed Product Description

The Fleece Performance FPE-61-10005-HD 5.9L Freedom Series Cummins Cylinder Head (Street-HD) is built for the demanding needs of Cummins engine owners. With hardened, oversized press-in valve seats, heavy-duty 105# valve springs, and tool steel retainers, this cylinder head is crafted to withstand high-performance and heavy-duty applications. Each head is fully assembled with new valves, valve guide liners, and 11 screw-in freeze plugs, ensuring reliability and durability in even the most challenging conditions.

This cylinder head is rated for up to 700 horsepower, making it an excellent upgrade for both daily drivers and trucks used for towing and heavy-duty purposes. Each unit undergoes rigorous inspection, pressure testing, decking, and is painted for long-lasting performance.

Installation Notes

• Head Gasket: Not included; use Cummins part number 3958645 or Fleece Performance part number FPE-CUMM-HG-5.9.

• Core and Crate Return: Required; instructions and paperwork included.

• Valve Lash Adjustment: Mandatory during installation to prevent potential damage.

• Aftermarket Head Studs: Recommended for applications exceeding stock horsepower; ARP625 or ARP L19 12mm head studs advised, with possible modifications needed for the lower rocker box cover.

The Fleece Performance FPE-61-10005-HD 5.9L Freedom Series Cummins Cylinder Head (Street-HD) is crafted to deliver power, durability, and reliability, making it a superior choice for those looking to enhance their Cummins engine's performance and efficiency.