Main crank pulley that is rotational balanced
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This product was last offered at the strikethrough price on
05-07-2026
Main crank pulley that is rotational balanced
We Price Match - Give Us A Call or Chat!
This product was last offered at the strikethrough price on
05-07-2026
Factory puller tool
Main crank pulley that is rotational balanced
Helps route the serpentine belt
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
05-02-2026
For use with a 4% crank pulley on stock Cooper S supercharger pulley
Main drive belt that connects to the main pulley
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6PK-1374 : Alternator / Water Pump : For John Cooper Works kit
Main drive belt that connects to the main pulley.
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6PK-1388 : Alternator / Water Pump : Not for models with John Cooper Works kit
Controls the tension of the serpentine belt
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Alternator / Water Pump
For those without A/C or want to delete the A/C for more power.
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w / o Climate Control : Alternator / Water Pump : Deflection Pulley
For those without A/C or want to delete the A/C for more power.
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