Must be using a standard size crankshaft pulley, will NOT work with any oversize crank pulley.
Alta AMP-ENG-200V2 15% Reduction Supercharger Pulley for 2002-2006 MINI Cooper S
Gates HD green supercharger belt upgrade for 2.60 pulley 2015-26 Hellcat /Redeye
GATES POLY CHAIN SUPERCHARGER BLOWER BELT GT 11M-1595-97PS
Gates 15% or 16% Supercharger Reduction Pulley Belt R53 02-06 MINI Cooper S R52
Gates 17% MINI Cooper S Supercharger Reduction Pulley Belt for R53 2002-2006 R52
Way Motor Works 15% Supercharger Reduction Pulley R52 R53 2002-06 MINI Cooper S