6.2L (376 cu in) Supercharged HEMI V8 featuring an IHI twin-screw supercharger, forged internal components, aluminum heads, and high-flow fuel system. Factory-rated at 707–717 horsepower and 650 lb-ft of torque, designed for high-performance street and track use. ECU (PCM): OEM SRT Hellcat Engine Control Unit, factory-calibrated to manage boost, fuel delivery, ignition timing, and torque control for reliable high-output performance. Wiring Harness: Complete OEM Hellcat engine wiring harness, plug-and-play for proper integration of all sensors, injectors, throttle body, and ECU communication. Transmission: ZF 8HP90 8-Speed Automatic Transmission, heavy-duty performance transmission engineered to handle extreme torque output, featuring paddle-shift capability and smooth, fast gear changes.