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MINI Cooper S R52/R53 PROMINI Supercharger Pulley



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MINI Cooper S R52/R53 PROMINI Supercharger Pulley

Taper Bore Pulleys
The RPM of the supercharger is what determines the boost created in the MINI Cooper S. Reducing the size of the supercharger pulley, increases the blower RPM which increases the boost. The reduction size on the pulley increases the blower RPM by the same amount. This increases boost from the factory 10.5 PSI to 12.5 PSI with the 15% reduction pulley. We have experienced up to 12 HP increases, with torque improvement by as much as 14ft. lb. The impressive torque increase is what translates into some incredible acceleration. One of the main advantages of going with the 15%+ pulley over the stock pulley is that you are lowering the RPM where boost occurs which shifts your power band lower in the RPM range.

Special Drive Belt (For use with Taper Bore Pulleys)
The special drive belt provides proper tension when using one of our smaller diameter Taper Bore Pulleys.

Pulley Removal Tool
Supercharger pulley removal tool is specifically designed to remove the factory S/C pulley in the confined space of the 02-06 Cooper "S". The compact design allows for easy pulley removal without engine removal. Due to the factory pulley being a press fit a pulley a removal tool is required to avoid damage to the internal components of the supercharger. In order to access the pulley removal of the inner right plastic fender liner and loosening the right engine mount is required. This allows the engine to be lifted approximately 3 inches. This 3 inch lift allows access to the pulley. Also recommended is purchasing the serpentine belt tensioner tool for quick removal and installation of the drive belt.

MINI Cooper S Belt Tensioner Tool
This tool is designed to release tension from the belt tensioner allowing for proper removal of the original belt and installation of the new belt. You'll pay $125.78 at a MINI Dealership (Manufacturer Number: 83 30 0 494 252), this tool makes your MINI Cooper S Serpentine belt change an easy task.
 
Fits the following MINI models:
R52 2004-2008 Convertible Cooper S
R53 2002-2006 Hatchback Cooper S
Product Part # Price Order
MINI Cooper PROMINI 15% Taper Bore Pulley 163988
 Regular Price: $120.00
Our Price: $100.00 
Quantity:  
MINI Cooper PROMINI 17% Taper Bore Pulley 163989
 Regular Price: $120.00
Our Price: $100.00 
Quantity:  
MINI Cooper PROMINI 19% Taper Bore Pulley 163990
 Regular Price: $120.00
Our Price: $100.00 
Quantity:  
Special Taper Pulley Drive Belt 157848
 Regular Price: $35.00
Our Price: $32.00 
Quantity:  
MCS Belt Tensioner Tool 160148
 Regular Price: $60.00
Our Price: $59.00 
Quantity:  
Pulley Removal Tool 169781
 Regular Price: $100.00
Our Price: $90.00 
Quantity:  

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