APR 3.0 TFSI Supercharger Drive and Crank Pulley with Belt (Bolt on)

Increase the speed of your supercharger for dramatic power and torque increases.

PART# MS100185

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Overview

APR's Supercharger Drive Pulley Upgrade decreases the diameter of the factory pulley from ~63.25mm to 57.75mm, which in turn spins the supercharger ~9.5% faster. This results in a healthy bump in horsepower and torque across the entire RPM range with the supercharger operating at a higher rate of speed. The pulley is CNC machined from billet stainless steel, e-coated black for an OEM appearance and is bolted to the factory supercharger unit. APR's Supercharger Crank Pulley Upgrade increases the diameter of the factory pulley from ~162mm to ~187mm, which in turn spins the supercharger ~15.4% faster. This results in a larger bump in horsepower and torque across the entire RPM range, as the supercharger is spinning at an even higher rate of speed. The pulley retains the factory harmonically balanced crank pulley and bolts on top of the existing unit. It is CNC machined from light weight billet aluminum with weight saving pockets throughout. It has an anodized black finish and includes new crank pulley bolts. Upgrading both the supercharger drive and crank pulleys results in the factory supercharger spinning ~26.4% faster than stock. This speed was chosen after extensive engine and chassis dyno testing with various pulley sizes and supercharger speeds. The result is an even higher horsepower and torque gain across the entire RPM range. However, at the airflow levels achieved with a dual pulley setup, maximum power is severely restricted by the factory throttle body unit. The APR Ultracharger Throttle Body Upgrade is necessary to take full advantage of the dual pulley configuration, and is available in platform specific variations for the B8/B8.5 A4/A4/S4/S5, Q5/SQ5 and C7 A6/A7. Belt Included Software sold separately

Features:

  • Full dual pulley kit
  • Bolt on 57.75mm supercharger drive pulley
  • Bolt on 187mm crank pulley
  • Spins the charger 26.4% faster for massive torque and HP gains with tuning
  • Anodized and E-coated factory black
  • Appropriate belt included
  • Retains factory harmonic balancer

Specs

BrandAPR
ColorBlack
ConstructionBillet
Diameter (mm)57.75, 187
Emission Code5
Material6061 Aluminum, T304 Stainless Steel
Product TypePulley
Part NumberMS100185

Service Parts


Emissions

5

This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

Tech Resources

Please note, specific software is required to maximize output with this product.

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