Install serious LS power easily with the Chevrolet Performance LS376/515 376ci Connect & Cruise Crate Engine Package. This complete powertrain delivers 515 horsepower and 487 lb-ft of torque from 6.2 liters, factory-matched with 6-speed automatic transmission. The Connect & Cruise package includes engine, transmission, wiring harness, ECU, and all components for plug-and-play installation. This solution eliminates compatibility issues and provides complete factory integration. Perfect for pro-touring builds, muscle car restorations with LS swaps, and custom applications requiring serious naturally aspirated LS power. Factory-assembled and backed by Chevrolet Performance.