DFC Diesel SS640810STSOALB Street 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
• 5 year 160,000 km limited warranty coverage
• Professionally machined block with oversized pistons
• No sleeves used for maximum block integrity
• Includes O-ringed cylinder heads for better sealing
• All new OEM or equivalent pistons and rings
• Total Seal gapless piston rings included
• Maxxforce HD pistons for enhanced durability
• ARP connecting rod bolts installed
• Magnafluxed and resurfaced cylinder heads
• Complete long block with top-end gasket kit
• Improved gasket sealing in common leak areas

Restore The Power And Confidence Your Truck Once Had

If your 2008-2010 Ford F250 or F350 with the 6.4L Powerstroke is ready for a fresh start, the DFC Diesel Street Series Standard Speed Of Air Long Block is built to bring it back stronger than ever. This engine is designed with work trucks, daily drivers, and diesel enthusiasts in mind, offering reliability with performance improvements over the stock setup. With a professionally machined block and oversized pistons, it is built to handle the demands of towing, hauling, and long miles on the road. O-ringed cylinder heads come standard to help prevent head gasket issues that plague many 6.4L Powerstroke engines, giving you peace of mind under heavy load. Backed by a 5-year 160,000 km warranty, this long block provides one of the best coverage options in the industry. Whether you use your truck for the job site, the highway, or weekend hauling, this engine delivers dependable power that keeps you moving without second-guessing your build. It is the kind of upgrade that restores confidence every time you turn the key.

Built With Quality Components For True Long Term Strength

The DFC Diesel Street Series Standard Speed Of Air Long Block is re-manufactured with precision to exceed OEM standards and correct common failure points found in the 6.4L Powerstroke. Each block is professionally machined and bored for oversized pistons without using sleeves, maintaining the structural integrity of the factory casting. O-ringed cylinder heads are included to create a superior seal and help eliminate head gasket leaks, especially under high cylinder pressures. Every engine comes standard with all new pistons, rings, bearings, gaskets, seals, and guides to ensure a balanced and consistent build. Total Seal gapless piston rings and Maxxforce HD pistons are used to provide long-term durability and improved combustion efficiency. ARP connecting rod bolts are pre-installed to keep everything secure under heavy loads, whether you are pulling a trailer or running at highway speeds. Each cylinder head is magnafluxed, resurfaced, and fitted with new seats and valves, ensuring like-new performance right out of the crate. Complete with a top-end gasket kit, this long block is engineered to deliver dependable power and long-lasting strength for your Ford Super Duty.

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

Notes:

• Designed for 2008-2010 Ford F250/F350 6.4L Powerstroke engines
• Street Series is intended for daily driving and work use
• Backed by a 5 year 160,000 km limited warranty
• Engine block is professionally machined with oversized pistons
• No sleeves used to maintain block strength and integrity
• Includes O-ringed cylinder heads to improve gasket sealing
• Uses all new OEM or equivalent internal components
• Magnafluxed and resurfaced cylinder heads with new valves and guides
• Comes with Total Seal gapless piston rings standard
• Includes a complete top-end gasket kit for installation
• Equipped with ARP connecting rod bolts for added durability
• Maxxforce HD pistons are standard on all Street Series engines

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.