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 *For models with factory bolt-on pulley (3.0T Gen 2 Simos 16.x) - APR Stage II software is required to ru
Brand:
ES#:
3514678
Mfg#:
MS100139
In Stock
ON SALE!
SAVE 10%
$222.99
This product was last offered at the strikethrough price on 09-28-2026
Upgrade to the ultimate pulley setup!
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
A healthy bump in horsepower and torque across the entire RPM range - Includes APR drive pulley, APR installation tool, and correct length drive belt
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 - Vehic
Brand:
ES#:
3219340
Mfg#:
MS100135KT
Ships in 5 Business Days
ON SALE!
SAVE 10%
$609.99
This product was last offered at the strikethrough price on 09-28-2026
Ease the 3.0T supercharger pulley installation process with this install 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
Brand:
ES#:
3427273
Mfg#:
CTS-HW-0134
Ships in 7 Business Days
ON SALE!
SAVE 20%
$159.99
This product was last offered at the strikethrough price on 09-29-2026
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 Appropriate stage 2 software is required for use
Brand:
ES#:
4056963
Mfg#:
025510ECS01KT1
Back Ordered
$425.99 USD
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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 7 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 5 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 1 Business Day
$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 5 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 5 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
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Lifetime Replacement
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Lifetime Replacement
