Increases charger RPM by 10% - Higher boost levels equals more power!
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Increases charger RPM by 10% - Higher boost levels equals more power!
5X Entries For Our 25th Anniversary Sweepstakes!
Increase supercharger rotational speed to provide more boost to your engine
*To be used with Stage 2 software - Stage 2+ software necessary if used in conjunction with a supercharger pulley upgrade*
Our Red Kevlar accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt.
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Larger diameter pulley increases the speed at which the supercharger spins, increasing the boost pressure output
Most Stage 2+ software tunes are compatible with this kit. Be sure to use the correct software for 192mm
This product was last offered at the strikethrough price on
07-10-2026
Internally balanced harmonic damper
Increases supercharger RPM by 26% when paired with IE 57.5mm overdrive supercharger pulley
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Requires 57.5mm SC pulley and 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.
*To be used with 'Stage 2' software or software specific to a supercharger crank pulley upgrade*
Spin the supercharger faster without affecting the accessory drive system
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Appropriate stage 2 software is required for use
Provides broad range control of destructive crankshaft torsional vibration for optimum horsepower and durability
Increase supercharger rotational speed to provide more boost to your engine
*To be used with Stage 2 software - Stage 2+ software necessary if used in conjunction with a supercharger pulley upgrade*
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
05-02-2026
Provides broad range control of destructive crankshaft torsional vibration for optimum horsepower and durability
Turn your Audi B8 S4 or S5 into an all-out street monster with IE's complete Dual Pulley kit! Includes ECU & TCU software plus Dual Pulley setup
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Fits vehicles with DSG transmissions only
Dramatically increase horsepower and torque by increasing the rotational speed of the factory supercharger (Bolt-On SC Pulley)
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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
07-22-2026
Provides broad range control of destructive crankshaft torsional vibration for optimum horsepower and durability
includes pulley, bolt, and shorter belt
This product was last offered at the strikethrough price on
07-10-2026