Crank Pulley FA/FB




Collections: Pulleys

Product type: Pulley

Vendor: Great North Performance

Tags: 2010 legacy, 2011 legacy, 2012 crosstrek, 2012 impreza, 2012 legacy, 2013 brz, 2013 crosstrek, 2013 forester, 2013 impreza, 2013 legacy, 2014 brz, 2014 crosstrek, 2014 forester, 2014 impreza, 2014 legacy, 2015 brz, 2015 crosstrek, 2015 forester, 2015 impreza, 2015 legacy, 2015 wrx, 2016 brz, 2016 crosstrek, 2016 forester, 2016 wrx, 2017 brz, 2017 crosstrek, 2017 forester, 2017 wrx, 2018 brz, 2018 wrx, 2019 wrx, subaru-brz-2013-2018, subaru-crosstrek-2012-2017, subaru-forester-2013-2015, subaru-forester-2015-2017, subaru-impreza-2012-2015, subaru-legacy-2013-2015, subaru-wrx-2015-2019



GNP's  Lightweight Crank Pulley for the FA/FB motor.
-2013-2018 BRZ
-2013-2016 FRS
-2017-19 Toyota86
-2012-2017 XV Crosstrek
-2012-2015 Impreza
-2015-2019 Wrx
-2013-2015 Forester
-2015-2017 Forester XT
-2013-2015 Legacy

*-2015-17 XV Crosstrek
*-2010-2014 Legacy GT
*-2016-2017 Forester XT
*must be used with Subaru part number 12339AA010

This pulley has been CAD designed, CNC milled out of T6061 aluminium. For lightness, strength and durability. At GNP we get our pulleys dynamically balanced to 8200 rpm, to ensure smooth and balanced running.
There are a few flaws with the stock pulley, first is its weight.
The stock crank pulley weighs almost 5 lbs 2.2 kg.
Then there is the issue of the rubber insert, which, over time may degrade and if you are lucky, slowly go out of balance or, if you're not lucky, just completely fail.

What we have done with our pulley is taken off more than 3.5 lbs off of the stock pulley. Balanced it to 8200 rpm , designed it to be durable and easy to install.

To finish off the package we have our LWCP anodized in three rich colours as you can see, to give your engine bay some bling.

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.


2015-2016 Subaru WRX
2012-2015 Subaru Impreza
2011-2015 Subaru Forester
2015 Subaru Forester XT
2013-2015 Subaru Legacy
2013-2016 BR-z FR-s
2011-2015 Subaru Forester