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SKU: FPE-61-10011-HD
Fleece Performance 03-07 Ford Super Duty 6.0L Powerstroke 18mm Dowel Freedom Series HD Cylinder Head
This fully assembled cylinder head from Fleece Performance upgrades 2003-2007 Ford Super Duty trucks and SUVs with 6.0L Powerstroke engines. It features an 18mm dowel pin design paired with reinforced areas to resist cracking under extreme boost and exhaust gas temperatures. Expect reliable sealing and improved airflow for daily driving or heavy towing.
Key Features
- 18mm Dowel Pin Holes: Designed for ARP heavy-duty head studs to provide secure clamping force and prevent head lift during high-pressure operation
- Reinforced Head Bolt Bosses: Thickened material in critical areas stops common OEM failures from high cylinder pressures and repeated heat cycles
- Fully Assembled: Includes new OEM-spec valves springs guides retainers seals and valve seals ready for direct bolt-on installation
- Port-Matched Runners: Intake and exhaust ports smoothed for 10-15% better flow supporting larger turbos and injectors without restrictions
- Freedom Series HD Casting: Enhanced alloy composition and exhaust bridge reinforcement withstands 3000+ deg F EGTs and 100+ psi boost levels
Product Notes
- Pair with matching head gaskets and ARP studs for complete head stud kit compatibility
- Inspect head studs and block deck surface flatness before installation
- Heavy item requires forklift or engine hoist for safe handling
Installation Notes
- Professional installation recommended.
- Torque head bolts to ARP specifications in sequence after achieving 120 ft-lbs cylinder fill pressure
- Compatible with factory head bolts if not upgrading to studs but studs required for 18mm dowels
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2003-2007 | Ford | F-250 Super Duty | 6.0L Powerstroke All |
| 2003-2007 | Ford | F-350 Super Duty | 6.0L Powerstroke All |
| 2003-2007 | Ford | F-450 Super Duty | 6.0L Powerstroke All |
| 2003-2007 | Ford | F-550 Super Duty | 6.0L Powerstroke All |
| 2003-2005 | Ford | Excursion | 6.0L Powerstroke All |
Why Choose Fleece Performance?
- Proven in 1000+ hp 6.0L builds with zero reported head failures
- USA-made with direct OEM casting modifications for exact fit and durability
- Backed by engineering team focused on diesel reliability since 2004
Frequently Asked Questions
-
Q: Will this head fit my 2005 F-350 6.0L with stock block?
A: Yes it bolts directly to any 2003-2007 6.0L Powerstroke block. Confirm block deck is flat within 0.004 inches. -
Q: What material is used in the HD Freedom Series?
A: High-strength cast iron with reinforced steel inserts in bolt bosses and bridges for superior heat resistance. -
Q: Does it come with a warranty?
A: 1-year unlimited mileage warranty when installed by certified shop with ARP studs and proper torque.
Shipping & Handling
- Method: UPS Freight Ground
- Availability: In stock - ships same or next business day
- Packaging: Foam-protected wooden crate 30 x 20 x 12 inches
- Weight: 128 lbs
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