Supercharger-Pulley sizes (due to my limited knowledge):
Cooper S Standard: 65mm (belt 6PK 1388)
JCW & Kelleners (11%): 58,2mm (belt 6PK 1370 (or 6PK 1374 ?))
Digitec(DT) & RMS: 57mm
Hartge &
hitec inkl. MTH (13%): 56,5mm
Minimania (Ultrik): 55,6mm
Alta (15%): 55,6mm (belt 6PK 1365)
GTT 17%:
Schäfer: 54mm
Alta (19%): 54mm (belt 6PK 1352)
