"Dual pulley" gains without the hassle! Easily increase supercharger RPM by 22% and support up to 550HP.
10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply For use with OEM (63.25mm) Supercharger Pulley. "Stage 2" Software Required for Compatibility
Brand:
ES#:
4883431
Mfg#:
053844LA01KT
Ships in 5 Business Days
ON SALE!
SAVE 20%
$419.99
This product was last offered at the strikethrough price on 06-13-2026
Spin the supercharger faster without affecting the accessory drive system
10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply 10X Entries For Our Spin To Win Sweepstakes!
Brand:
ES#:
4820683
Mfg#:
025510ECS01
In Stock
ON SALE!
SAVE 25%
$344.99
This product was last offered at the strikethrough price on 06-13-2026
Includes a OE Crankshaft Pulley with the necessary install hardware.
10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Increases boost for "dual pulley" tune power levels without replacing the press-on supercharger pulley for an easier install.
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply Requires stage 2 dual pulley ECU tune
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.
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply *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 Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply *Stage 2 software required after install. See ES4266021
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.
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply *To be used with 'Stage 2' software or software specific to a supercharger crank pulley upgrade*
Larger diameter pulley increases the speed at which the supercharger spins, increasing the boost pressure output
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply *NOTE: This kit must be used with appropriate "Stage 2" performance software.
Brand:
ES#:
3438177
Mfg#:
CTS-HW-266-187
Ships in 7 Business Days
ON SALE!
SAVE 20%
$379.99
This product was last offered at the strikethrough price on 09-29-2026
Larger diameter pulley increases the speed at which the supercharger spins, increasing the boost pressure output
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply Most Stage 2+ software tunes are compatible with this kit. Be sure to use the correct software for 192mm
Brand:
ES#:
4042975
Mfg#:
CTS-HW-266-192
Ships in 7 Business Days
ON SALE!
SAVE 20%
$379.99
This product was last offered at the strikethrough price on 09-29-2026
Increase supercharger rotational speed to provide more boost to your engine
2X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply *To be used with Stage 2 software - Stage 2+ software necessary if used in conjunction with a supercharger pulley upgrade*
Reduces vibrations and drives the accessory belt
2X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply We Price Match - Give Us A Call or Chat!
Also referred to as the rear main seal
2X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply We Price Match - Give Us A Call or Chat!
Increase supercharger rotational speed to provide more boost to your engine
2X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply *To be used with Stage 2 software - Stage 2+ software necessary if used in conjunction with a supercharger pulley upgrade*
The heart of your engine is the crankshaft. Keep it spinning freely with new OEM crankshaft bearings or upgrade with race-proven aftermarket performance crank bearings and crankshaft parts.
Lifetime Replacement
