Larger diameter crank pulley & smaller supercharger pulley increases the speed at which the supercharger spins, increasing the boost pressure output
*NOTE: This kit must be used with appropriate "Stage 2" performance software.
Brand:
ES#:
4017693
Mfg#:
CTS-HW-433
Special Order: No Guaranteed ETA
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$529.99
This product was last offered at the strikethrough price on 09-29-2026
Push your wheels out for a bold stance with HPA’s 15mm Wheel Spacer & Bolt Kit - precision CNC machined hubcentric spacers and extended hardware for a secure, vibration free fit.
The rubber damper replacement is made from high strength 7075 Aluminum and finished with a black anodized coating for corrosion resistance.
Not for factory air-ride equipped cars.
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
Brand:
ES#:
4056962
Mfg#:
025510ECS01KT
Ships in 1 Business Day
$398.98
This product was last offered at the strikethrough price on 08-31-2026
Step up the aggression with single-pulley support, E30 ethanol blends, and rowdy motorsport features like launch control and exhaust crackles.
For vehicles up through the 2015 model year only.
All the performance upgrade options from the best brands in the business to help build your dreams. Our performance parts catalog is the largest anywhere and constantly growing to keep your build on track.