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!
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$159.99
This product was last offered at the strikethrough price on 09-29-2026
For removal and installation of harmonic balancers on most automotive and light truck applications.
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#:
4056963
Mfg#:
025510ECS01KT1
Back Ordered
$425.99 USD
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Lifetime Replacement
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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 *For models with press-on style supercharger pulley (3.0T gen1 / Simos 8.x ECU)*
Brand:
ES#:
3219163
Mfg#:
MS100135
Ships in 5 Business Days
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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
In Stock
$398.98
This product was last offered at the strikethrough price on 08-31-2026
Also referred to as the 'relay roller'
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!
Drives the water pump from the accessory belt
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#:
2644245
Mfg#:
06E121031E
Ships in 5 Business Days
2% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$179.99
This product was last offered at the strikethrough price on 10-29-2026
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
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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
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
Brand:
ES#:
3220459
Mfg#:
FMSCPS53T
Ships on Nov 19, 2026
ON SALE!
SAVE 10%
$346.99
This product was last offered at the strikethrough price on 10-26-2026
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
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.*
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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
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
