GSC Power-Division Exhaust Valve Guides Stopper Style WRX 2002-2014 / STI 2004-2021 Subaru Turbo Models vendor_TiALSport For more high-rpm power

For more high-rpm power

Part #: wetW3TN

06+ Nissan Sentra SE-R

Consistent braking power throughout braking temperature range

Wiggle Waggle Floppy Sloppy

GSC Power-Division Exhaust Valve Guides Stopper Style WRX 2002-2014 / STI 2004-2021 Subaru Turbo Models vendor_TiALSport For more high-rpm powerPart #: 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