The 4.0L supercharged engine, with the 8th digit VIN B and valid through engine ID 0108122359, is a top-performing used engine choice for drivers seeking high power output. This V8 engine's supercharged design and direct injection allow for quick, precise fueling, enhancing overall efficiency and performance. Its DOHC system with specialized timing boosts power delivery, making it ideal for high-demand driving situations and performance enthusiasts searching for a powerful used engine option.