Home » Shop » 1) Mini Gen 1 » Mini Gen 1 Performance Parts » 4) Gen 1 R53/R52 Mini Cooper S “4 Piece” Pulley Upgrade kit! DEAL PRICE! Save £27!

4) Gen 1 R53/R52 Mini Cooper S “4 Piece” Pulley Upgrade kit! DEAL PRICE! Save £27!


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GTT R53/R52 Mini Cooper S “4 Piece” Pulley Upgrade kit!


Lightweight crank pulleys – Lightens drive train , Dampened, Standard and overdrive sizes for increased power(0,+1,2,3&4% options) Hard Anodized!



Interference Fit Supercharger Pulleys (-15&-17%  options) Gains 25-30bhp over standard pulley. (never slips, slides or falls off like “clamp on” types are known to.


Twin Bearing Idler Pulley – Features 2 high performance bearings unlike any other alternative…. spreads the load over both for extra long life!, Hard Anodized!


Uprated Tensioner Pulley – Features high performance bearing, smooth finish to reduce belt wear & Hard Anodized!


We offer Supercharger Pulley replacement service for superchargers sent to us…replaced alone or during Supercharger rebuilds

Notes: We would recommend -17% SC pulley With +2% Crank Pulley or -15% SC with +3/4% crank pulleys for best set-up.

If you want us to supply the drive belt… you can order here, https://www.gtt.uk.com/product/mini-gen-1-gtt-drive-belt/


Additional information

Weight 4 kg
Dimensions 25 × 25 × 15 cm
SC Pulley Size

-17%, -15%

Crank Pulley Size

Stock, +1%, +2%, +3%, +4%