Designed for strength, durability, and consistent performance, the DFC Diesel Street Series Long Block for the 2011–2016 6.7L Powerstroke delivers an industry-leading remanufactured solution. Each engine is built to exceed OEM specifications using premium components and cutting-edge machining. Ideal for towing, hauling, or heavy-duty use, this long block is backed by a 5-year / 160,000 km warranty and strict core selection standards.
Key Features:
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5-Year / 160,000 km (100,000 mi) Warranty: Among the best coverage available in North America.
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High-End Fasteners: Includes ARP Series 2000 or OptiTorque head studs based on availability.
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Precision Machined: Block is bored for oversized pistons using state-of-the-art Rottler equipment.
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New Internal Components: Pistons, rings, gaskets, guides, valves, seals, and springs are all brand new.
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Balanced Assemblies: Matched rotating components improve engine smoothness and noise reduction.
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Enhanced Bed Plate Sealing: Additional silicone bead applied for superior leak prevention.
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Upgraded Valve Seats: Factory seats replaced with hardened SBI intake and exhaust seats.
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Premium Valvetrain: New Mahle/Clevite or SBI valves and SBI valve springs installed.
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Strict Core Acceptance: Only cores within strict dimensional tolerance are remanufactured.
What’s Included:
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Complete long block assembly (short block + remanufactured cylinder heads)
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Top-end gasket kit for installation
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Rockers preset to factory specifications
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ARP Series 2000 or OptiTorque head studs
Vehicle Fitment:
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2011–2016 Ford F-250 / F-350 / F-450 / F-550 Super Duty
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Equipped with the 6.7L Powerstroke V8 Diesel engine