DFC Diesel 6.7 DODGE CUMMINS STREET SERIES SPEED OF AIR LONG BLOCK (STD/AUTO) 07.5-12 (G56 68RFE) $3 000.00 CORE CHARGE APPLIES - SS6707512SOALB

The DFC Street Series Long Block is a comprehensive upgrade for 2007.5-2012 6.7L Dodge Cummins engines, designed for daily drivers, work trucks, and performance enthusiasts. It improves upon OEM standards with critical enhancements to common failure points, including Total Seal gapless piston rings, improved piston cooling, and upgraded sealing. Each engine is precisely machined using Rottler CNC equipment, bored for oversized pistons, and assembled with new internals such as pistons, rings, bearings, gaskets, and seals. It features ARP Series 2000 or OptiTorque head studs and a Cometic multi-layer steel head gasket for superior clamping and sealing. The cylinder head is fully remanufactured with new components and rigorously tested for structural integrity. This long block is backed by a 5-year, 160,000 km warranty.