Larger diameter crank pulley & smaller supercharger pulley increases the speed at which the supercharger spins, increasing the boost pressure output
*NOTE: This kit must be used with appropriate "Stage 2" performance software.
Larger diameter crank pulley & smaller supercharger pulley increases the speed at which the supercharger spins, increasing the boost pressure output
*NOTE: This kit must be used with appropriate "Stage 2" performance software.
Our Kevlar accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt.
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Provides broad range control of destructive crankshaft torsional vibration for optimum horsepower and durability
Easily increase the supercharger rotational speed to create more boost
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Our Red Kevlar accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt.
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Up to VIN 8E-4-191000, split is in the 2004 model year
Bolt on way to reclaim lost horsepower
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For vehicles with FSI engines only
This product was last offered at the strikethrough price on
06-13-2026
Less rotational mass means more power
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Engine codes AEB & ATW
This product was last offered at the strikethrough price on
05-02-2026
Easily increase the supercharger rotational speed to create more boost
10X Entries Into Our F80 M3 Sweepstakes
Late 3.0T Bolt On Pulley - Please Confirm Fitment Before Ordering - Appropriate stage 2 software is requi
Bolt on lightweight billet aluminum pulley
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Vehicles with clutched alternator pulley require hardware kit - ES271279 for installation
This product was last offered at the strikethrough price on
06-13-2026
The purpose of this kit is to improve power beyond the factory throttle body in a clean and cost-effective package.
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For vehicles up through the 2019 model year only
NOT an under drive pulley, reduces rotational mass of stock pulley system.
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This product was last offered at the strikethrough price on
05-02-2026
Decreases the diameter of the factory pulley from ~63.25mm to ~57.75mm, which in turn spins the supercharger ~9.5% faster.
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*For models with factory bolt-on pulley (3.0T Gen 2 Simos 16.x) - APR Stage II software is required to ru
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
09-16-2026
Increases the supercharger RPM throughout the full powerband, raising supercharger speed by 7%
Buy Integrated Engineering Software from 9/3/26 - 9/30/26 for a chance to win your Software for FREE!
*Fits very late model years equipped with 4-bolt style supercharger pulleys - 3.0 TFSI Stage 2 Software is required in order for this pulley to yield a p
Ease the 3.0T supercharger pulley installation process with this install kit
Less rotational mass means more power
10X Entries Into Our F80 M3 Sweepstakes
Engine codes AEB & ATW
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!
APR Stage II software is required to run any upgraded Pulley configuration and is sold separately - Vehic