Mopar 68411234AA - 6.4L 392ci HEMI Long Block Crate Engine, Non-MDS

Step up to the next level of performance with the SRT 6.4L HEMI® Engine. This engine assembly is the long 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! THIS IS A VIN SPECIFIC REPLACEMENT LONGBLOCK FOR MANUAL TRANSMISSION CHALLENGERS. ANY OTHER APPLICATIONS WILL CARRY A 90 DAY PARTS-ONLY WARRANTY Knowledge and execution of any modifications necessary are solely the responsibility of the installer. Exhaust Manifolds Not Included! These engines are not equipped with MDS (the Multiple Displacement System that switched between 4 and 8 cylinder mode) that some 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