Fleece Freedom Series Cummins Cylinder Head – Street HD (FPE-61-10005-HD) for 2003-2007 Cummins 5.9L

$2,699.00Purchase & earn 2,699 points!

The Fleece Freedom Series Cummins Cylinder Head – Street HD (FPE-61-10005-HD) is a high-performance, heavy-duty upgrade for 2003-2007 Dodge Ram trucks with 5.9L Cummins engines. Designed for durability and reliability, it’s ideal for street-driven trucks with mild performance upgrades or heavy towing demands. Fully assembled with new valves, springs, and seals, it features reinforced casting, precision machining, and improved strength to address common issues like cracking and warping. It’s a dependable choice for refreshing high-mileage engines or building a strong work truck.

Core Charge*

Cores must be shipped within 30 days.

Total: $2,699.00
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Description

The Fleece Freedom Series Cummins Cylinder Head – Street HD (FPE-61-10005-HD) is a premium, high-performance upgrade designed specifically for 2003-2007 Dodge Ram trucks equipped with the 5.9L Cummins engine. Engineered for durability and reliability, this heavy-duty cylinder head is perfect for street-driven applications that demand superior strength without sacrificing drivability. It comes fully assembled with new valves, valve springs, and seals, and it’s built to handle increased cylinder pressures, making it ideal for trucks with mild performance upgrades or heavy towing needs. The Street HD cylinder head features improved casting strength, precision machining, and a reinforced design to solve common factory head issues like cracking and warping. Whether you’re looking to refresh your high-mileage Cummins or build a dependable workhorse, the Fleece Freedom Series Street HD cylinder head delivers the quality and performance you can trust.

Additional information
Weight 206 lbs
Dimensions 65 × 35 × 11 in
Fitment

Fitment

  • 2003 Dodge Ram 2500/3500 5.9L 24V Cummins
  • 2004 Dodge Ram 2500/3500 5.9L 24V Cummins
  • 2005 Dodge Ram 2500/3500 5.9L 24V Cummins
  • 2006 Dodge Ram 2500/3500 5.9L 24V Cummins
  • 2007 Dodge Ram 2500/3500 5.9L 24V Cummins
Features

Features

  • 11 Screw in Freeze Plugs (eliminates coolant leaks)
  • Hardened, oversized press-in valve seats
  • New valves and valve springs
  • New valve guide liners
Warning

Warning

* Head gasket not included. We recommend the use of Cummins 3958645 or Fleece Performance FPE-CUMM-HG-5.9.

** Core and crate return required – all paperwork & instructions for return included with the new cylinder head.  Read our core charge policy here. You are responsible for all return shipping costs of the core. 

*** FOLLOW ALL INSTALLATION INSTRUCTIONS; Valve lash required. Back off adjusters on rocker arms or damage will occur to the cylinder head. For all applications over stock horsepower we recommend the use of ARP625 or ARP L19 12mm head studs.

**** When utilizing aftermarket head studs, lower rocker box cover modifications are required.  Reference ARP INSTALLATION METHOD INSTRUCTIONS.

***** ALL CUMMINS CYLINDER HEADS SHIP GROUND FREIGHT.  BASED ON YOUR LOCATION THE SHIPPING TIME IS TYPICALLY 3-5 DAYS BUSINESS DAYS.

About brand
Fleece Performance Engineering is a diesel performance manufacturer focused on reliability and precision engineering. The company designs parts that solve common diesel issues while supporting added power. Fleece products support daily driving, towing, and performance diesel trucks. Fleece engineers fuel system components, turbochargers, electronics, and emissions-compliant upgrades in house. Their parts improve efficiency, drivability, and long-term engine protection. Each product is tested for proper fit and consistent performance. Diesel owners trust Fleece for dependable upgrades. Whether maintaining a work truck or building for performance, Fleece delivers proven solutions designed for real-world use.
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