Larger diameter crank pulley & smaller supercharger 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#:
4017694
Mfg#:
CTS-HW-434
Ships in 8 Business Days
ON SALE!
SAVE 20%
$529.99
This product was last offered at the strikethrough price on 09-29-2026
Larger diameter crank pulley & smaller supercharger 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#:
4017699
Mfg#:
CTS-HW-435
Special Order: No Guaranteed ETA
ON SALE!
SAVE 20%
$529.99
This product was last offered at the strikethrough price on 09-29-2026
Larger diameter crank pulley & smaller supercharger 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#:
4017693
Mfg#:
CTS-HW-433
Special Order: No Guaranteed ETA
ON SALE!
SAVE 20%
$529.99
This product was last offered at the strikethrough price on 09-29-2026
Decreases the diameter of the factory pulley from ~63.25mm to ~57.75mm, which in turn spins the supercharger ~9.5% faster.
Call In Or Chat For Best Price! 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 - APR Stage II software is required to run any upgraded Pulley configuration and is sold separately - Ple
Brand:
ES#:
3219163
Mfg#:
MS100135
Ships in 6 Business Days
ON SALE!
SAVE 10%
$222.99
This product was last offered at the strikethrough price on 09-28-2026
Unitronic's Supercharger Pulley Upgrade effectively raises boost levels by increasing the speed in which the supercharger spins.
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
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 Appropriate stage 2 software is required for use
Brand:
ES#:
4056962
Mfg#:
025510ECS01KT
Ships in 2 Business Days
$398.98
This product was last offered at the strikethrough price on 08-31-2026
Contains a Supercharger Reduction Pulley and drive belt for the Audi 3.0T models
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
Install kit used for APR MS100035
Call In Or Chat For Best Price! 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 for APR Supercharger Drive Pulley Upgrade MS100135
Brand:
ES#:
2209707
Mfg#:
MS100025
Ships in 6 Business Days
ON SALE!
SAVE 10%
$349.99
This product was last offered at the strikethrough price on 09-28-2026
Increases diameter of factory pulley from ~162mm to ~187mm, which in turn spins the supercharger ~15.4% faster!
Call In Or Chat For Best Price! 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 APR Stage II software is required to run any upgraded Pulley configuration and is sold separately - Pleas
Brand:
ES#:
3219162
Mfg#:
MS100133
Ships in 6 Business Days
ON SALE!
SAVE 10%
$349.99
This product was last offered at the strikethrough price on 09-28-2026
Includes 1310mm belt for use with 57mm or 63mm supercharger pulleys
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 Only for us with Fluidampr 651201C.
Brand:
ES#:
3557475
Mfg#:
651201CR187KT
Back Ordered
$305.99 USD
Free Shipping
Lifetime Replacement
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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#:
3438174
Mfg#:
CTS-HW-266-180
Special Order: No Guaranteed ETA
ON SALE!
SAVE 20%
$379.99
This product was last offered at the strikethrough price on 09-29-2026
Includes 1310mm belt for use with a 57mm supercharger pulley
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 Only for us with Fluidampr 651201C.
Brand:
ES#:
3557476
Mfg#:
651201CR189KT
Back Ordered
$255.99 USD
Free Shipping
Lifetime Replacement
Request In-Stock Notification
An error has occurred. Please try again.
Enter your email address below to be notified when this product is back in stock and available for order.*
* Your email address will only be used for the notification of this product and deleted afterward
Software & installation kit not included in this upgrade kit
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 models with bolt-on style supercharger pulleys - 3.0 TFSI Performance Software is sold separately an
Brand:
ES#:
4043098
Mfg#:
CTS-HW-0333
Ships in 8 Business Days
ON SALE!
SAVE 20%
$159.99
This product was last offered at the strikethrough price on 09-29-2026
Used to remove the supercharger pulley on 3.0T engines
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
Easily increase the supercharger rotational speed to create more boost
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 Appropriate stage 2 software is required for use
Includes 1300mm belt for use with 57mm or 63mm supercharger pulleys
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 Only for us with Fluidampr 651201C.
Brand:
ES#:
3557473
Mfg#:
651201CR179KT
Back Ordered
$203.99
This product was last offered at the strikethrough price on 08-31-2026
Lifetime Replacement
