Provides broad range control of destructive crankshaft torsional vibration for optimum horsepower and durability
Provides broad range control of destructive crankshaft torsional vibration for optimum horsepower and durability
Now there is FINALLY a better solution for replacing the OEM Alternator Belt tensioning setup.
Get a grip with this 6 rib kit!
Bolt on way to reclaim lost horsepower
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
05-02-2026
5.5lbs lighter than stock!
Bolt on way to reclaim lost horsepower
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
06-13-2026
Counterbalanced like stock pulley for proper engine balancing AND it drops 5 pounds in the process
60% lighter over stock pulley
Faster revving and more horsepower for your Audi
This product was last offered at the strikethrough price on
08-26-2026
For kits such as JHM-079903133R-Kit