XK8 XKR Parts Front Suspension Gallery Page

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Jaguar XK8 and XKR Parts

XKR XJR S Type R and Range Rover Sport Supercharger Upper Pulley Kit Giving 10% Boost !

Upper Pulley Kit for XKR, XJR, Range Rover Sport

XKR XJR S Type R Supercharger Upper Pulley Upgrade Kit

We are able to offer upgraded supercharger upper pulleys to fit Jaguar and Range Rover AJV8 supercharged cars. These items are CNC machined from the highest quality materials, produced to exacting standards, and available at competitive prices for our customers. Upper pulleys have been produced to give a 10% supercharger speed increase, equating to approximately 2.5psi boost rise, on 4.0 and 4.2 engines. For power increases, realistically, the upper will give 30-35bhp midrange and will give perhaps 15bhp peak increase at high rpm, due to the Eaton M112’s reduced efficiency at higher rpm. Either upper and lower pulley's produces a significant power improvement and very noticeable increase in instant acceleration.

Our upper pulleys are made in stainless steel, turned to give a very smooth and aesthetically pleasing finish, and produced with a consistent .0002” / 0.005mm inner bore tolerance to ensure consistent and reliable shaft fitment. Unlike some aluminium versions of this upgrade, belt slippage is not a problem with these steel pulleys.

Fitment does require some material removal from the supercharger snout casting. This is achieved relatively simply with a rotary file or other hand tools. Overall the pulley change should take about 3 hours on XKR and early XJR models, but on S-Type and X350 models access in situ is difficult and some people prefer to remove the supercharger.

Special Offer Price of £139.75 + shipping and VAT

No UK VAT to pay if you live outside of the UK and EEC Countries

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Jaguar XK8 and XKR Parts

Jaguar XK8 XKR (X100) Exterior Styling Accessories Range

XKR XJR S Type R and Range Rover Sport Supercharger Lower Pulley Kit Giving 16% Boost !

Lower pulley kit for XKR, XJR, S Type R and Range Rover Sport Giving 16% Performance Boost ! 

JAGUAR XJR XKR S TYPE R LOWER PULLEY UPGRADE

Lower pulleys have been produced to give a 16% power boost on 4.0 engines and 8% on 4.2 engines (which already have a larger lower wheel as standard). Realistically, the lower will give a 40-45bhp increase, and will give perhaps 15bhp peak increase at high rpm, due to the Eaton M112’s reduced efficiency at higher rpm. Either upper and lower pulley produces a significant improvement and very noticeable increase in instant acceleration.

Our upgrade kit includes:

* a modified Jaguar lower crank pulley fitted with an aluminium lower supercharger pulley
* replacement supercharger drive belt
* replacement original Jaguar pulley bolt, and instructions.

These modified pulleys are CNC machined from the highest quality materials, produced to exacting standards. Fitting should take no longer than 2-3 hours by a competent mechanic.

Special Offer Price of £335.00 + shipping and VAT.

There is a £125 + VAT surcharge refunded on receipt of your old crank lower pulley.

No UK VAT to pay if you live outside of the UK and EEC Countries/

CLICK HERE TO CONTACT DAVE TO DISCUSS / ORDER

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Jaguar XK8 and XKR Parts

Jaguar XK8 and XKR Servicing Kits and Parts Gallery Page

To enquire about any of the above items then CLICK HERE to contact Dave.

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Jaguar XK8 and XKR Parts

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