Eliminates the problematic two-piece design and rubber isolator found in the stock crank pulley while reducing the mass of the motor's rotating assembly.
*To be used with 'Stage 2' software or software specific to a supercharger crank pulley upgrade*
Increase supercharger rotational speed to provide more boost to your engine
2X Entries Into Our F80 M3 Sweepstakes *To be used with Stage 2 software - Stage 2+ software necessary if used in conjunction with a supercharger pulley upgrade*
Eliminates the problematic two-piece design and rubber isolator found in the stock crank pulley while reducing the mass of the motor's rotating assembly.
*To be used with 'Stage 2' software or software specific to a supercharger crank pulley upgrade*
Increase supercharger rotational speed to provide more boost to your engine
2X Entries Into Our F80 M3 Sweepstakes *To be used with Stage 2 software - Stage 2+ software necessary if used in conjunction with a supercharger pulley upgrade*
Pulleys drive accessories essential to vehicle operation. Whether you need to install a stock original equipment pulley during a repair, or improve engine performance and appearance with a lightweight aluminum or underdrive pulley, count on ECS Tuning for pulley solutions that work.
Lifetime Replacement
