Pay in 4 interest-free payments of $50.00 Learn more
Ships within 48 hours · Estimated delivery Aug 2 - Aug 7
3788" Bore diameter
or who participates in high-performance driving conditions where the cooling system has to keep up with an engine that lives in the upper-RPM range
Helps reduce movement
well-suited with nearly every street car or race car electrical system
It’s too quiet
IAG Performance Adjustable Timing Idler Kit - Subaru Models (inc. 2002-2014 WRX / 2015-2021 STI) Subaru-WRX-2015 3788" Bore diameterIAG Adjustable Timing Idler Kit 2002 2014 WRX 2015 2021 STI Dial In Cam Timing After Resurfacing or Thick Gaskets The IAG Adjustable Timing Belt Idler Kit provides two CNC machined eccentric idler pulleys that allow precise camshaft timing adjustment on EJ20 and EJ25 engines. This is specifically required after deck resurfacing or when using thicker head gaskets, both of which alter the effective timing belt length and can shift cam timing out of