DFC Diesel TH6003STSOALB Tow/Haul Series Standard Speed Of Air Long Block | 2003 Ford F250/F350 6.0L Powerstroke

Features:

• Built for towing, hauling, and performance applications
• Rated for up to 600 HP at the flywheel
• 5-year / 160,000 km warranty for reliability
• O-ringed cylinder heads for improved sealing
• Stage 2 billet camshaft for increased power
• Ceramic-coated piston crowns for heat resistance
• Dry film-coated skirts to reduce friction
• Manton HD push rods for enhanced durability
• Includes ARP series 2000 head studs or OptiTorque head studs
• Complete long block assembly for easy installation
• All-new OEM-quality pistons, rings, and gaskets
• Professionally machined block for oversized pistons

Unmatched Power and Durability for Your 6.0L Powerstroke

When you need an engine that’s built to tackle the toughest towing, hauling, and performance applications, the DFC Diesel TH6003STSOALB Tow/Haul Series Long Block is exactly what you’re looking for. Rated for up to 600 horsepower, this powerhouse offers the strength and reliability your 2003 Ford F250/F350 6.0L Powerstroke needs to handle heavy loads and demanding tasks. With a 5-year / 160,000 km warranty, you can feel confident that your engine is built to last. Featuring enhanced components like a Stage 2 billet camshaft, chamfered piston bowls, and ceramic-coated piston crowns, the Tow/Haul Series Long Block delivers a smoother, more efficient performance. This engine is designed with O-ringed cylinder heads and dry film-coated piston skirts to reduce friction, increase durability, and improve overall efficiency. If you’re looking for an upgrade that’ll give you the power, performance, and longevity to take on anything, this engine has got your back. Whether you're on a worksite, towing a trailer, or navigating challenging terrain, the Tow/Haul Series engine ensures you have the strength you need, when you need it most.

Built with Precision and Performance in Mind

The DFC Diesel TH6003STSOALB Tow/Haul Series Long Block is carefully engineered to offer precision performance and unmatched durability. At the core of this engine are several key upgrades over the Street Series, including a Stage 2 billet camshaft that enhances power delivery for demanding applications. The block is professionally machined to accommodate oversized pistons, optimizing performance and efficiency for heavy-duty tasks. To ensure durability under the most extreme conditions, this engine features chamfered piston bowls and ceramic-coated piston crowns, which reduce heat buildup and improve combustion efficiency. With O-ringed cylinder heads, you get an improved seal for better pressure retention and longer-lasting reliability. The addition of Manton HD push rods further strengthens the engine, making it ready to handle 600 horsepower at the flywheel. Every part, from the ARP series 2000 head studs to the dry film-coated skirts, is selected for its ability to withstand high-performance stress while maintaining the engine’s efficiency. This engine has been built with the specific needs of towing and hauling in mind, delivering the power and performance you need for any task.

Fits: 2003 Ford F250/F350 6.0L Powerstroke

Notes:

• Designed for 2003 Ford F250/F350 6.0L Powerstroke
• Ideal for towing, hauling, and high-performance applications
• Engine is rated for up to 600 HP at the flywheel
• Requires professional installation for optimal performance
• Rated horsepower is measured at the flywheel (factory standard)
• Engine is designed with upgrades for extreme performance
• 5-year / 160,000 km warranty ensures reliability
• Stage 2 billet camshaft for enhanced power delivery
• Chamfered piston bowls and ceramic-coated piston crowns
• O-ringed cylinder heads improve engine sealing
• Dry film-coated skirts reduce friction for smooth operation
• All parts are built to exceed OEM specifications for durability

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.