
Fleece Performance 2003-2006 Freedom Series Hd 18Mm 6.0L Cylinder Head
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- Ships from Fleece Performance Engineering
The Fleece Freedom Series HD 18mm 6.0L Cylinder Head FPE-61-10011-HD is a drop-in replacement for the warped heads on your Ford 6.0L Powerstroke. Every cylinder head is manufactured in Fleece's state-of-the-art Freedom Racing Engine shop and is guaranteed to meet factory specifications. This HD cylinder head is manufactured from a brand-new casting that has been engineered from the ground up for improved longevity and durability. This head is fully assembled and ready to install and features hardened, oversized press-in valve seats, new valve guides, springs, valves, and valve seals. Standard with this Fleece head is a one-piece O-rings to ensure maximum cylinder sealing. This head is Ideal for a daily driver or heavy-duty towing application where reliability is a must and downtime is unthinkable.Improved Casting
This isn't your average, rinse-and-repeat OE casting as they are engineered from the ground up with years of testing and development. Fleece's higher tensile strength alloy castings incorporate greater wall thickness and additional material where it counts, offering a more durable and longer-lasting cylinder head.Extreme-Duty Valve Seats
These American-made valve seats provide for longevity and stability in the cylinder head as they are race-proven and stronger than the factory units. Manufactured from a tungsten alloy for greater hardness, these seats deliver a substantially higher wear resistance vs. a factory replacement seat.Single-Piece O-RingFleece's 6.0L cylinder head is available with a single-piece hoop-style O-ring that ensures complete sealing of combustion vs. traditional stainless wire that has a seam.
Features:
Sold IndividuallyDirect-Fit ReplacementNo Core Charge Or Core To ReturnBrand-New, Higher Tensile Strength CastingNew Valvetrain Including Stainless Steel & Inconel Alloy Valves, Springs, Retainers, & KeepersRace-Proven Formula With Hardened, Oversized Press-In Valve Seats Provides Maximum Durability & LongevityFleece Performance's Exclusive Single-Piece O-Ring Design Ensures Complete Combustion Sealing Vs. Traditional Stainless Wire That Must Be Seamed Manufacturer Warranty*: 1 Year LimitedNote: Head gasket not included. Fleece recommends the use of Ford Head Gaskets.All 18mm dowel heads are configured for use on 8-bolt rocker box configurations.If your engine serial number is 6,000,000 to 6,723,721 (or 1 to 299,092) you need 18mm cylinder heads.All 18mm heads are configured for use with early style injector clamps with a T40 fastener - Ford 3C3Z-9C995-AA Fuel Injector Hold Down Clamp.Fleece Performance recommends the use of Ford 8C3Z-6565-B Replacement Pushrod when installing this cylinder head. The 6.4L pushrods are 0.050" shorter in length than the 6.0L pushrod and will accommodate the tolerance stack-ups that can be encountered with a replacement cylinder head.
The Fleece Freedom Series HD 18mm 6.0L Cylinder Head FPE-61-10011-HD is a drop-in replacement for the warped heads on your Ford 6.0L Powerstroke. Every cylinder head is manufactured in Fleece's state-of-the-art Freedom Racing Engine shop and is guaranteed to meet factory specifications. This HD cylinder head is manufactured from a brand-new casting that has been engineered from the ground up for improved longevity and durability. This head is fully assembled and ready to install and features hardened, oversized press-in valve seats, new valve guides, springs, valves, and valve seals. Standard with this Fleece head is a one-piece O-rings to ensure maximum cylinder sealing. This head is Ideal for a daily driver or heavy-duty towing application where reliability is a must and downtime is unthinkable.Improved Casting
This isn't your average, rinse-and-repeat OE casting as they are engineered from the ground up with years of testing and development. Fleece's higher tensile strength alloy castings incorporate greater wall thickness and additional material where it counts, offering a more durable and longer-lasting cylinder head.Extreme-Duty Valve Seats
These American-made valve seats provide for longevity and stability in the cylinder head as they are race-proven and stronger than the factory units. Manufactured from a tungsten alloy for greater hardness, these seats deliver a substantially higher wear resistance vs. a factory replacement seat.Single-Piece O-RingFleece's 6.0L cylinder head is available with a single-piece hoop-style O-ring that ensures complete sealing of combustion vs. traditional stainless wire that has a seam.
Features:
Sold IndividuallyDirect-Fit ReplacementNo Core Charge Or Core To ReturnBrand-New, Higher Tensile Strength CastingNew Valvetrain Including Stainless Steel & Inconel Alloy Valves, Springs, Retainers, & KeepersRace-Proven Formula With Hardened, Oversized Press-In Valve Seats Provides Maximum Durability & LongevityFleece Performance's Exclusive Single-Piece O-Ring Design Ensures Complete Combustion Sealing Vs. Traditional Stainless Wire That Must Be Seamed Manufacturer Warranty*: 1 Year LimitedNote: Head gasket not included. Fleece recommends the use of Ford Head Gaskets.All 18mm dowel heads are configured for use on 8-bolt rocker box configurations.If your engine serial number is 6,000,000 to 6,723,721 (or 1 to 299,092) you need 18mm cylinder heads.All 18mm heads are configured for use with early style injector clamps with a T40 fastener - Ford 3C3Z-9C995-AA Fuel Injector Hold Down Clamp.Fleece Performance recommends the use of Ford 8C3Z-6565-B Replacement Pushrod when installing this cylinder head. The 6.4L pushrods are 0.050" shorter in length than the 6.0L pushrod and will accommodate the tolerance stack-ups that can be encountered with a replacement cylinder head.
HSP offers a limited lifetime warranty to the original purchaser on eligible HSP products. Underhood powder coating has separate two-year limited coverage. Non-HSP brands follow their own manufacturer warranties. Discontinued products and customer/installer damage are excluded. Claim authorization is required; customer pays inbound shipping for ordinary claims.
Return and warranty information is based on what HSP Diesel offers. Product-specific eligibility and the supplier’s published conditions apply; FullSpecDiesel does not add or extend coverage.
HSP Diesel warranty policyView complete warrantyProduct conditions
Return and warranty information is based on what HSP Diesel offers. Product-specific eligibility and the supplier’s published conditions apply; FullSpecDiesel does not add or extend coverage.
Professional installation is recommended.
- Return eligibility
- HSP states returns must be postmarked within 30 days of purchase, new and unused with original tags and packaging, with an approved RMA. A 15% restocking fee and customer-paid return shipping apply. Special orders, non-HSP dropship products, apparel, used items and custom colors are excluded. Based on what HSP Diesel offers.
- Return window
- Not stated for this product; see supplier terms
- Restocking fee
- See supplier terms; no product-specific fee stated
- Return shipping
- Based on the supplier’s return policy; see terms
- Made to order
- No
- Backorder status
- Not backordered
- Cancellation
- Subject to supplier terms; contact FullSpecDiesel before requesting cancellation
- Warranty provider
- HSP Diesel
- Warranty duration
- Product-specific duration not stated; see supplier terms
- Compatibility
- Listed for specific vehicle configurations
- Legal use
- Street legal
- Processing estimate
- 3–10 business days supplier processing
- Shipping
- Shipping calculated at checkout
- Signature
- No signature requirement
- Supplier
- HSP Diesel
Product compatibility is based on the vehicle and product information provided. Review your selected truck, product options, measurements, modifications, and installation requirements before ordering.