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/