GSC Power Division Exhaust Valve Guides for Subaru EJ205/EJ207/EJ257 +.001in OD

GSC Power Division Exhaust Valve Guides for Subaru EJ205/EJ207/EJ257 (+0.001" OD) Brand: GSC Power Division Precision-engineered exhaust valve guides designed specifically for Subaru EJ205, EJ207, EJ257 and EJ257B engines. These stopper-style guides feature a +0.001" outer diameter for a controlled fit that reduces play while maintaining smooth valve operation. Fitment: Subaru EJ205 / EJ207 / EJ257 / EJ257B Style: Stopper-style valve guide for reliable valve stop positioning Size: +0.001" outer diameter for optimized clearance Durability: Built from high-quality materials to resist wear and maintain sealing over high RPM and temperature Application: Ideal for performance builds, rebuilds and upgraded valvetrain setups Easy to install with proper machining tolerances, these GSC valve guides help improve valvetrain stability, reduce valve wobble and extend component life. A must-have upgrade for precision Subaru engine work.