New 6% Smaller Jaguar Upper Supercharger Pulley 

Powder Coated Black


Puller to Pull Stock Pulley while still on the car


Use Forcing Screw,  M8 Theaded Stud (2), Thrust Bearing to Re-Install


All While still on the Vehicle


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!


Lubricate the forcing screw & nut with

anti-seize lubricant before use


Reference Videos


Pulley Removal (similar tool)

youtu.be/qovVz3Ba3hQ?si=Nwm0nbi1WGPMf8F5


Pulley Install

youtu.be/nirkqmNjPBY?si=-TzW9lpRwfY4W2ob&t=114