The 4.2L V8 engine, denoted by the 8th digit VIN C and compatible with non-XJR models, offers a supercharged option for heightened power. The advanced electronic fuel injection ensures efficient fuel delivery, and the forced-induction V8 design makes it ideal for demanding driving needs. The dual overhead camshaft (DOHC) is specifically tuned for supercharging, making this used engine an excellent choice for non-XJR models seeking enhanced performance and efficiency.