GSC Power-Division Exhaust Valve Guides Stopper Style WRX 2002-2014 / STI 2004-2021 Subaru Turbo Models vendor_Energy Suspension Blue anti-glare mirror lenses are

Blue anti-glare mirror lenses are included to reduce reflections from headlight glare during nighttime driving

Part #: 20592

improved driving position

Features a black body with neochrome ring for added style and look

50 thread pitch

GSC Power-Division Exhaust Valve Guides Stopper Style WRX 2002-2014 / STI 2004-2021 Subaru Turbo Models vendor_Energy Suspension Blue anti-glare mirror lenses arePart #: 3025 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