GSC Power-Division Intake Valve Guides WRX 2002-2014 / STI 2004-2021 Subaru Turbo Models vendor_Tein Our light bars have been

Our light bars have been built to spec

at degrees C 50 at neg 15

but the stock 2015 WRX liquid-to-liquid oil cooler cannot handle prolonged aggressive driving conditions

View the 21-478WR vehicle applications to determine the legal status for each vehicle

GSC Power-Division Intake Valve Guides WRX 2002-2014 / STI 2004-2021 Subaru Turbo Models vendor_Tein Our light bars have beenPart #: 3028 8 What they have done is actually quite simple, they made valve guides that fit properly, are easier to install, and shaped to help air flow instead of just copying the OEM design. The GSC Power Division valve guides are made from true C67410 Manganese Bronze and turned on a dedicated precision CNC turning center. What this means for you and your installer is less time fitting guides to the head due to holding the tightest tolerances in