DFC Diesel SS640810AUSOALB Street Series Auto Speed Of Air Long Block | 2008-2010 Ford F250/F350 6.4L Powerstroke

Features:

• Built for 2008-2010 Ford F250/F350 6.4L Powerstroke
• 5 year 160,000 km limited warranty coverage
• Professionally machined block with oversized pistons
• No sleeves used for superior block integrity
• Includes O-ringed cylinder heads for better sealing
• All new OEM or equivalent pistons and rings
• Total Seal gapless piston rings standard
• Maxxforce HD pistons for added durability
• ARP connecting rod bolts included
• Reconditioned heads with new seats and guides
• Complete long block with top-end gasket kit
• Designed for work trucks and daily drivers

Bring Back The Power And Dependability Your Truck Deserves

When it is time to restore your 2008-2010 Ford F250 or F350 with the 6.4L Powerstroke, the DFC Diesel Street Series Long Block is the perfect blend of reliability and performance. Built for daily drivers, work trucks, and diesel enthusiasts, this engine is designed to fix the common weak points of the stock motor while giving you a solid foundation for long-term use. With a professionally machined block and oversized pistons, it delivers strength and precision where it matters most. The inclusion of O-ringed cylinder heads helps keep combustion sealed tight, which means less worry about future leaks. Backed by a 5-year 160,000 km warranty, you are getting one of the most trusted remanufactured 6.4L Powerstroke engines on the market. Whether you are pulling a trailer to the job site or just want your truck running like it should, this engine offers a dependable solution that keeps you moving without compromise.

Built With Precision For Lasting Performance And Strength

The DFC Diesel Street Series Long Block is carefully re-manufactured to exceed OEM standards for your 6.4L Powerstroke, making it one of the most durable options for 2008-2010 Ford Super Duty trucks. Each block is professionally machined and bored to accept oversized pistons without using sleeves, ensuring the integrity of the casting and a perfect fit. O-ringed cylinder heads come standard to improve sealing and prevent common head gasket failures that can plague stock engines. Inside, all new OEM or equivalent pistons, Total Seal gapless rings, bearings, and gaskets are installed to create a balanced and long-lasting build. ARP connecting rod bolts and Maxxforce HD pistons add another layer of durability, making this engine ready for demanding use. Every cylinder head is magnafluxed, resurfaced, and fitted with new seats, guides, and valves to ensure like-new performance. With a complete top-end gasket kit included, this long block comes ready for installation and is designed to bring reliable power back to your truck for years to come.

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

Notes:

• Designed for 2008-2010 Ford F250/F350 6.4L Powerstroke
• Street Series is ideal for daily drivers and work trucks
• Backed by a 5 year 160,000 km limited warranty
• Built to address common failure points of stock engines
• Professionally machined block with oversized pistons for precision
• No sleeves used to maintain original block integrity
• Includes O-ringed cylinder heads for better head gasket sealing
• Uses all new OEM or equivalent internal components
• Magnafluxed and resurfaced cylinder heads with new seats and guides
• Includes a complete top-end gasket kit for installation
• Comes with ARP connecting rod bolts for added durability
• Maxxforce HD pistons are standard in every Street Series build

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.