Supercharger Reduction Pulley Audi S4 S5 A6 A7 A8 SQ5 Q7 3 ... (Julia Vargas) The pulley is CNC machined from high grade stainless steel, and designed with a smaller radius than the factory pulley fitted to the Eaton TVS Supercharger. 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 unit is compact enough to not require complete removal of the front end of your vehicle, reducing labor time..
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The unit is compact enough to not require complete removal of the front end of your vehicle, reducing labor time..
Through extensive motorsport testing in GRAND-AM Road Racing, APR's Engineering Team discovered the OEM supercharger cooling system was inadequate at higher boost pressures and power levels and therefore developed the APR CPS to. Achieve a conventional dual pulley ratio with only our larger crank pulley. The pulley is CNC machined from billet stainless steel, e-coated black for an OEM.
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