The 2003-2008 Jaguar S-Type R Supercharger Assembly is a high-quality supercharger designed by Eaton specifically for the 04-07 XJR Super V8 and 03-06 XKR models. This belt-driven supercharger enhances air and fuel delivery in these specific vehicle models, providing improved performance and power output. Built to last and designed with precision, this supercharger assembly is a reliable and essential component for any Jaguar owner looking to upgrade their vehicle's engine power.