includes pulley, bolt, and shorter belt
This product was last offered at the strikethrough price on
09-29-2026
includes pulley, bolt, and shorter belt
This product was last offered at the strikethrough price on
09-29-2026
Spin the supercharger faster without affecting the accessory drive system
10X Entries Into Our F80 M3 Sweepstakes
Appropriate stage 2 software is required for use
Spin the supercharger faster without affecting the accessory drive system
10X Entries Into Our F80 M3 Sweepstakes
Appropriate stage 2 software is required for use
This product was last offered at the strikethrough price on
10-15-2026
Get a grip with this 6 rib kit!
Provides broad range control of destructive crankshaft torsional vibration for optimum horsepower and durability
Less rotational mass means more power
10X Entries Into Our F80 M3 Sweepstakes
Engine codes AEB & ATW
This product was last offered at the strikethrough price on
05-02-2026
Shaves 7.4lbs over the stock pulley!
5.5lbs lighter than stock!
Provides broad range control of destructive crankshaft torsional vibration for optimum horsepower and durability
This is a custom product and requires 2-3 week lead time to manufacture due to the zinc plating process.
Engine codes AEB & ATW
Spin the supercharger faster without affecting the accessory drive system
10X Entries Into Our F80 M3 Sweepstakes
Appropriate stage 2 software is required for use
This product was last offered at the strikethrough price on
08-31-2026
Counterbalanced like stock pulley for proper engine balancing AND it drops 5 pounds in the process
For kits such as JHM-079903133R-Kit