DFC Diesel TH640810STSOALB Tow/Haul Series Standard Speed Of Air Long Block | 2008-2010 Ford F250/F350 6.4L Powerstroke

Features:

• Built for 2008-2010 Ford F250/F350 6.4L Powerstroke
• Rated for towing and hauling up to 600 HP
• 5 year 160,000 km limited warranty coverage
• Includes Stage 2 billet camshaft for performance gains
• Ceramic coated piston crowns resist extreme heat
• Dry film coated skirts reduce friction and wear
• O-ringed cylinder heads improve head gasket sealing
• Total Seal gapless piston rings standard on every build
• Includes Manton HD push rods for added durability
• ARP 2000 or OptiTorque head studs installed
• Professionally machined block with oversized pistons
• Complete long block with top-end gasket kit included

Build The Ultimate Towing Powerhouse For Your Super Duty

If your 2008-2010 Ford F250 or F350 with the 6.4L Powerstroke spends its life pulling heavy loads, the DFC Diesel Tow/Haul Series Standard Speed Of Air Long Block is designed to keep you moving with confidence. Rated for up to 600 horsepower, this engine is purpose-built for trucks that need reliable strength for towing and hauling day after day. With upgraded internal components and a Stage 2 billet camshaft, it delivers smooth power and torque that make heavy trailers feel more manageable. Ceramic coated piston crowns and dry film coated skirts help it stand up to the heat and friction that come with long climbs and heavy loads. O-ringed cylinder heads give you extra protection against head gasket failures, a common weak point in factory engines. Backed by a 5-year 160,000 km warranty, this long block is a dependable solution for anyone who needs their truck to work as hard as they do. It is a serious upgrade for drivers who demand power and reliability every time they turn the key.

Engineered With Heavy Duty Components For Maximum Durability

The DFC Diesel Tow/Haul Series Standard Speed Of Air Long Block takes the 6.4L Powerstroke platform and rebuilds it with premium components designed to exceed OEM standards. Each block is professionally machined and bored for oversized pistons without using sleeves, preserving the original casting strength and ensuring precise fitment. O-ringed cylinder heads are included to provide superior sealing under high boost and heavy load conditions. Inside, Total Seal gapless piston rings and ARP connecting rod bolts are standard, creating a solid foundation for long-term performance. The Stage 2 billet camshaft improves airflow and power delivery, while ceramic and dry film coated pistons offer extra protection against heat and wear. Manton HD push rods are added to handle the stresses of towing and high cylinder pressures without flexing. Every engine is assembled with a complete top-end gasket kit, making installation straightforward and ready for long-term reliability. Built with attention to detail and backed by a strong warranty, this long block is a durable and dependable choice for any Super Duty that is built to haul.

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

Notes:

• Designed for 2008-2010 Ford F250/F350 6.4L Powerstroke applications
• Rated to handle up to 600 horsepower at the flywheel
• Ideal for towing and hauling heavy loads regularly
• Includes all upgrades found in the Street Series engines
• Backed by a 5 year 160,000 km limited warranty
• Stage 2 billet camshaft included for enhanced torque and power
• Ceramic coated piston crowns help manage high operating temperatures
• Dry film coated piston skirts reduce friction and improve longevity
• O-ringed cylinder heads included for superior head gasket sealing
• Uses Total Seal gapless piston rings to maintain compression
• Built with Manton HD push rods for valvetrain strength
• Professionally machined block with oversized pistons and no sleeves

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.