Step up to the next level of performance with the SRT® 6.4L HEMI® Engine. With 485 hp and 475 lb.-ft. of torque, this complete engine assembly includes a water pump, flywheel and clutch, front sump oil pan, intake manifold with throttle body, fuel injectors and coil packs. Features: 392 cu. in. 103.9mm Bore 94.6mm Stroke Cast Iron Block with 4-Bolt Powder Metal Caps Forged Steel Crank Material Powdered Metal, Floating Pin Connecting Rods Hypereutectic Aluminum Piston Material Nodular Iron Camshaft Aluminum, Hemispherical Chamber Cylinder Heads 54.3mm Intake Valve Size 42mm Exhaust Valve Size 10.9:1 Compression Ratio 6,400 Peak RPM CRATE HEMI® ENGINES ARE DESIGNED FOR INSTALLATION IN: 1. ANY MOTOR VEHICLE MANUFACTURED PRIOR TO MODEL YEAR 1976 OR 2. COMPETITION VEHICLES DRIVEN ON TRACKS OR OFF-ROAD. Vehicles manufactured 1976 and later equipped with this part should not be driven on public roads or highways. Mopar customers are responsible for ensuring that their use of their vehicle equipped with this part complies with applicable federal, state/provincial, and local laws, regulations, and ordinances. Vehicles manufactured 1976 and later equipped with this part and driven on public roads or highways may violate U.S., California, Canadian, or local motor vehicle emissions laws and regulations.