This is GNP's Lightweight Alternator Pulley, it's has been CAD designed, CNC milled, then anodized to protect it and give your engine bay some bling.

All of our pulleys are the same size as the stock one, they are not underdriven. So your stock belts will work.

These Lightweight Alternator pulleys work very well without lightweight crank pulley.

As most lightweight pulleys do, they do not create
horsepower, what they do allow your car to reach a higher RPM or boost sooner and that means is more power to the wheels quicker.


By decreasing the parasitic effects that factory accessory pulleys have on a vehicle's engine. This reduces rotational weight and increases efficiency.

This GNP Lightweight Alternator pulley will fit:
Wrx 2008-2014
Sti 2008-2019

the stock alt pulley is 165G and the GNP one is 61G.

 

GNP Lightweight Alternator Pulley

C$59.00Price
Colour Choice

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    Great North Performance © 2019

    Great North Performance parts will change the performance and handling of your car.

    Please drive accordingly, to addjust to the new driving dynamics.

    GNP's performance parts may not be road leagal in all provinces and states, please check with your local laws prior to installation.

    Installation of performance products may void vehicle warranty coverage, if any, on your vehicle.

    GNP is not responsible for any losses incurred from the use of any and all products sold.

    The owner of the car and user of the products are solely responsible for the legality and safety

    of their own vehicle when you modify using aftermarket components.