345 CRATE HEMI® ENGINE By: MOPAR Now you can own the same legendary 5.7L HEMI® Engine found in the 2015 and newer Dodge Challenger. With 383 hp and 417 lb.-ft. of torque, this complete engine assembly includes water pump, flywheel and clutch, front sump oil pan, intake manifold with throttle body, fuel injectors and coil packs. 345 5.7L Features 345 cu. in. 99.5mm Bore 90.9mm Stroke Cast Iron Block (P/N 53021214DR) with 4-Bolt Powder Metal Caps Nodular Iron Crank Material Powdered Metal Connecting Rods Nodular Iron Camshaft Aluminum, HEMIspherical Chamber Cylinder Heads 52.1mm Intake Valve Size 39.4mm Exhaust Valve Size 10.5:1 Compression Ratio 5,600 Peak RPM