TH640810STSOALBHD Tow/Haul HD Series Standard Speed Of Air Long Block

Features:

• Built for up to 900 horsepower
• Ideal for towing between 500-750 HP loads
• Includes Wagler or Carrillo connecting rods
• Balanced rotating assembly for smoother operation
• New OEM balancer for added engine stability
• Heavy-duty flexplate for high torque applications
• O-ringed cylinder heads for improved sealing
• ARP connecting rod bolts for added strength
• Complete top-end gasket kit included
• Rockers and pushrods preset to factory specs
• 5-year 160,000 km manufacturer warranty
• Professionally machined and bored engine block

Give Your Powerstroke The Strength It Deserves

When you rely on your truck for serious towing and hauling, you need an engine that can handle the punishment without breaking a sweat. The DFC Diesel Tow/Haul HD Series Standard Speed Of Air Long Block is built with that exact purpose in mind, giving your 2008-2010 Ford F250 or F350 the muscle to pull heavy loads and keep moving day after day. With the ability to support up to 900 horsepower, this long block offers the perfect balance of raw power and dependable street manners. Inside, Wagler or Carrillo connecting rods and a balanced rotating assembly work together to deliver strength and smooth performance under heavy load. A heavy-duty flexplate and new OEM balancer help absorb the stress that comes with towing massive trailers or climbing steep grades. This engine is backed by a 5-year 160,000 km warranty, providing peace of mind that it is built to last. Whether you are upgrading for work, play, or a little of both, this build transforms your truck into a dependable powerhouse ready for anything you throw at it.

Built With Precision To Deliver Maximum Durability

The DFC Diesel Tow/Haul HD Series Standard Speed Of Air Long Block is engineered with meticulous attention to detail to meet and exceed OEM standards. Each block is professionally machined and bored for oversized pistons without the use of sleeves, ensuring strength and consistency throughout the engine. O-ringed cylinder heads provide better sealing under high boost conditions, reducing the risk of head gasket issues when towing heavy loads. The inclusion of ARP connecting rod bolts adds another layer of durability to handle intense horsepower levels. Rockers and pushrods are preset to factory specifications, allowing for a straightforward installation that gets your truck back on the road quickly. The long block comes complete with a top-end gasket kit to make the installation process as seamless as possible. Using all new OEM or equivalent pistons, rings, and gaskets, this engine delivers the reliability you expect while breathing new life into your Powerstroke. Designed for demanding applications, it offers both the strength to handle heavy workloads and the precision needed for long-term performance.

Fits: 2008, 2009, 2010 Ford F250/F350 6.4L Powerstroke

Notes:

• Engine is a remanufactured 6.4L Powerstroke long block
• Compatible with 2008-2010 Ford F250 and F350 models
• Designed for towing applications between 500-750 HP
• Rated to handle up to 900 horsepower at the flywheel
• Includes Wagler or Carrillo rods depending on availability
• Uses professionally machined block bored for oversized pistons
• No sleeves used in the remanufacturing process
• O-ringed cylinder heads for improved head gasket sealing
• Comes with a 5-year 160,000 km warranty
• Factory-spec rockers and pushrods are preset for installation
• Includes complete top-end gasket kit for assembly
• Built to meet and exceed OEM specifications

Street Series vs Tow/Haul vs Tow/Haul HD

• Street Series: Ideal for daily driving, light work, and diesel enthusiasts. Focuses on reliability upgrades over stock, with head stud and sealing improvements.

• Tow/Haul Series: All Street upgrades plus added performance parts for higher load and towing power. Supports builds up to ~700 HP.

• Tow/Haul HD Series: The most robust option. Adds heavy-duty internals like Wagler rods and a balanced rotating assembly for 800+ HP capability.

Standard/Auto vs Standard vs Auto

• Standard/Auto: Compatible with both manual and automatic transmissions. Offers the most flexibility.

• Standard: Built specifically for manual transmission configurations.

• Auto: Built specifically for automatic transmission setups.