"Dual pulley" gains without the hassle! Easily increase supercharger RPM by 22% and support up to 550HP.
10X Entries Into Our F80 M3 Sweepstakes
For use with OEM (63.25mm) Supercharger Pulley.
"Stage 2" Software Required for Compatibility
This product was last offered at the strikethrough price on
06-13-2026