Mopar 68411264AA - 6.4L 392ci HEMI Long Block Crate Engine, With MDS

Step up to the next level of performance with the SRT 6.4L HEMI® Engine. This engine assembly is the short block assembled with the cylinder heads and not a turnkey crate engine. It requires timing cover, water pump, oil pan, valve covers, exhaust manifolds, intake, throttle body, sensors, and any other accessories to swap this into your vehicle! Knowledge and execution of any modifications necessary are solely the responsibility of the installer. Exhaust Manifolds Not Included! These engines ARE equipped with MDS (the Multiple Displacement System that switched between 4 and 8 cylinder mode) that most factory applications were equipped with. Engine 392ci 6.4L HEMI Compression Ratio 10.9:1 Block Cast Iron w/ 4-Bolt powder metal caps, 103.9mm bore Crankshaft Forged steel, 94.6mm stroke Heads Aluminum, Hemispherical chamber Valves 54.3mm intake/42mm exhaust