GrimmSpeed Gates Stretch Belt Pulley Adapter Subaru WRX 2008-2014 / STI 2008-2021 vendor_ACL With an electronic boost controller

With an electronic boost controller you could run 18psi from 3000-6000 and 16psi at 7000rpm because you can tune the boost map in the ECU which will allow you to run the maximum amount of boost at every given rpm

Adjustable to retard or advance the timing of the camshaft

2002-2007 Subaru WRX / STI

Available in in the color of your selection- black

GM 88862473

GrimmSpeed Gates Stretch Belt Pulley Adapter Subaru WRX 2008-2014 / STI 2008-2021 vendor_ACL With an electronic boost controllerGrimmSpeed created a unique adapter that allows you to use the Gates Stretch Belt Kit for the 2008+ Impreza with the GrimmSpeed Pulley. Other manufacturers tell you to use the Gates kit on the 2008+ Imprezas but they fail to mention that the Gates Kit will not work on their pulley. They have solved this problem for their pulley. Pulley is not included. Part #: 095012