Engine Blocks & Cylinder Heads

A completely rebuilt and resurfaced cylinder head for your 2008 - 2010 Ford 6.4L Powerstroke.

This Cylinder Head is engineered to address common failures in stock and aftermarket heads, making it a reliable upgrade for both stock and performance applications. One of the biggest factory issues is valve seat failure, which can lead to catastrophic engine damage.

The 2007.5-2018 6.7 HP Reman Cylinder Head is designed to address common failures found in stock and aftermarket heads, providing increased durability and reliability for 6.7L Cummins applications. One of the most significant factory issues is valve seat failure, which can lead to catastrophic engine damage.

2005-2006 Ford Powerstroke 6.0L - DFC's Tow Haul HD Series Long Block engines and are built for enthusiasts that want to be capable of up to 900HP but that will regularly drive on the street and tow trailers between 500 and 750HP. This model comes equipped with all the features of the Street Series and Tow/Haul Series but adds a set of Wagler connecting rods. Comes with a 5-year/160,000km warranty throughout North America, however, are considered a severe duty application and require more frequent service intervals as stated in the warranty manual supplement for warranty coverage to be considered.

Introducing Fleece Performance's Freedom Series Cylinder Head Street HD - Dodge 1998.5-2002 5.9L Cummins

Introducing Fleece Performance's Freedom Series Cylinder Head - Dodge 1998-2002 5.9L Cummins - Street

Introducing Fleece Performance's Freedom Series Cylinder Head Performance - Dodge 2003-2007 5.9L Cummins - Performance

Introducing Fleece Performance's Freedom Series Cylinder Head Street HD - Dodge 2003-2007 6.7L Cummins

Introducing Fleece Performance's Freedom Series Cylinder Head - Dodge 2003-2007 5.9L Cummins Street

Introducing Fleece Performance's Freedom Series Cylinder Head Performance - Dodge 2007-2018 6.7L Cummins

Introducing Fleece Performance's Freedom Series Cylinder Head Street HD - Dodge 2007-2018 6.7L Cummins

Introducing Fleece Performance's Freedom Series Cylinder Head - Dodge 2007-2018 6.7L Cummins Street

Introducing Fleece Performance's Freedom Series Cylinder Head Street HD - Dodge 1994-1998 5.9L 12V Cummins

Introducing Fleece Performance's Freedom Series Cylinder Head - Duramax 2004.5-2005 6.6L LLY (Drivers Side)

Introducing Fleece Performance's Freedom Series Cylinder Head - Duramax 2004.5-2005 6.6L LLY (Passenger Side)

Introducing Fleece Performance's Freedom Series Cylinder Head - Duramax 2006-2010 6.6L LBZ/LMM (Driver Side)

Introducing Fleece Performance's Freedom Series Cylinder Head - Duramax 2006-2010 6.6L LBZ/LMM (Passenger Side)

Introducing Fleece Performance's Freedom Series Cylinder Head - Duramax 2011-2016 6.6L LML (Driver Side)

Introducing Fleece Performance's Freedom Series Cylinder Head - Duramax 2011-2016 6.6L LML (Passenger Side)

Introducing our Freedom Series cylinder heads for the 2017 - 2023 L5P 6.6L Duramax! Each cylinder head is manufactured in our state-of-the-art Freedom Racing Engine shop and is guaranteed to meet or exceed factory specifications

Introducing our Freedom Series cylinder heads for the 2017 - 2023 L5P 6.6L Duramax! Each cylinder head is manufactured in our state-of-the-art Freedom Racing Engine shop and is guaranteed to meet or exceed factory specifications.

Introducing Fleece Performance's Freedom Series Cylinder Head now with cupless injector bore! - Duramax 2001-2004 6.6L LB7 (Drivers Side)

Introducing Fleece Performance's Freedom Series Cylinder Head now with cupless injector bore! - Duramax 2001-2004 6.6L LB7 (Passenger Side)

Replace the cracked heads on your 2003-2005 Ford 6.0L Powerstroke with the Powerstroke Products Loaded Stock 18mm 6.0L Cylinder Head PP-18mmLOEM.

Upgrade the old cracked heads on your 2006-2007 Ford 6.0L Powerstroke with the Powerstroke Products Loaded Stock 20mm 6.0L Cylinder Head PP-20mmLOEM. Built from a brand new casting, each cylinder head is inspected to meet Powerstroke Products stringent quality guidelines.

A fully rebuilt, resurfaced and pressure tested cylinder head for your 2003-2007 Ford 6.0L Powerstroke.

A fully rebuilt, resurfaced and pressure tested cylinder head for your 2003-2007 Ford 6.0L Powerstroke.

1994-1998 Dodge Cummins 5.9L - DFC's Long Block Series of engines are built for work trucks, daily drivers and the diesel enthusiast in mind, these engines are a moderate improvement from stock as they contain important upgrades to common problem areas.

1998.5-1999 Dodge Cummins 5.9L - DFC's Long Block Series of engines are built for work trucks, daily drivers and the diesel enthusiast in mind, these engines are a moderate improvement from stock as they contain important upgrades to common problem areas. With Trigger Gear Crankshaft

1998.5-1999 Dodge Cummins 5.9L - DFC's flagship Street Series Long Blocks are built for work trucks, daily drivers, and the diesel enthusiast in mind. Comes with ARP Head Studs pre-installed, important upgrades to key common problem areas, and a 5-year/160,000km warranty throughout North America.

2000-2002 Dodge Cummins 5.9L - DFC's Long Block Series of engines are built for work trucks, daily drivers and the diesel enthusiast in mind, these engines are a moderate improvement from stock as they contain important upgrades to common problem areas.

2000-2002 Dodge Cummins 5.9L - DFC's flagship Street Series Long Blocks are built for work trucks, daily drivers, and the diesel enthusiast in mind. Comes with ARP Head Studs pre-installed, important upgrades to key common problem areas, and a 5-year/160,000km warranty throughout North America.

2003-2004 Dodge Cummins 5.9L - DFC's Long Block Series of engines are built for work trucks, daily drivers and the diesel enthusiast in mind, these engines are a moderate improvement from stock as they contain important upgrades to common problem areas.

2003-2004 Dodge Cummins 5.9L - DFC's flagship Street Series Long Blocks are built for work trucks, daily drivers, and the diesel enthusiast in mind. Comes with ARP Head Studs pre-installed, important upgrades to key common problem areas, and a 5-year/160,000km warranty throughout North America.

2003-2004 Dodge Cummins 5.9L - DFC's Tow Haul HD Series Long Block engines and are built for enthusiasts that want to be capable of up to 900HP but that will regularly drive on the street and tow trailers between 650 and 800HP. This model comes equipped with all the features of the Street Series and Tow/Haul Series but adds a set of Wagler Forged connecting rods. Comes with a 5-year/160,000km warranty throughout North America, however, are considered a severe duty application and require more frequent service intervals as stated in the warranty manual supplement for warranty coverage to be considered.

2003-2004 Dodge Cummins 5.9L - DFC's Tow Haul Series Long Block engines come standard with all the upgrades found in the Street Series model as well as several enhancements to make this engine perfect for towing, hauling and performance applications up to 700HP. Comes with important upgrades to key common problem areas, and a 5-year/160,000km warranty throughout North America.

2004.5-2007 Dodge Cummins 5.9L - DFC's Long Block Series of engines are built for work trucks, daily drivers and the diesel enthusiast in mind, these engines are a moderate improvement from stock as they contain important upgrades to common problem areas.

2004.5-2007 Dodge Cummins 5.9L - DFC's Long Block Series of engines are built for work trucks, daily drivers and the diesel enthusiast in mind, these engines are a moderate improvement from stock as they contain important upgrades to common problem areas.

The Heavy Hauler 5.9 Cummins Common Rail Long Block is built for towing, heavy-duty work, and high-performance applications, delivering up to 700 HP while improving airflow, fuel efficiency, and durability. This long block includes a D&J Stage 1 High-Performance Cylinder Head, a street/towing camshaft for lower EGTs, and custom ARP 9/16” head studs for maximum sealing strength.

The 5.9 Common Rail Cummins Precision Plus Reman Long Block is a fully assembled, stock replacement engine solution for 2004.5-2007 Dodge Ram 2500 & 3500 trucks. Each unit is CNC blueprinted, precision-machined, and assembled with new pistons, bearings, and a D&J Precision Plus Reman Cylinder Head to ensure superior durability and power.