Stainless Steel

10% Smaller Jaguar Upper Supercharger Pulley 

4.0 and 4.2L 1998-2009 Jaguar XJR, XKR & -Type R.

Requires a Hydraulic Press

Snout Machining Required

This smaller supercharger pulley will give you a modest power improvement of approximately 20hp on 4.0L & 25hp on 4.2L. The Pulley should be added along with supercharger porting and Performance Exhaust for a big performance kick. Your car will still retain the factory belt and "NO Modifications" to the blower are required for installation.

Fits all Jaguar XJR, XKR, S-Type R with the 4.0L & 4.2L.

Fits Land Rover Range Rover and Range Rover Sport with the 4.2L

*No ECU Tuning is required for this Supercharger upgrade!

Approx. 2.74" Pulley Diameter