GSC Power-Division Exhaust Valve Guides Stopper Style - Subaru Models (inc. 2002-2014 WRX / 2004-2021 STI)

Spectral Performance carries a great selection of performance engine and valvetrain upgrades brought to you by GSC Power-Division. 

These are the GSC Power-Division Exhaust Valve Guides. Featuring durable bronze construction, these vales guides are also the Stopper Style so they won't get pushed in too far. These are a stronger option when compared to OEM units and make for a great option when rebuilding or servicing your heads. 

DETAILS:

• Made from true C67410 Manganese Bronze
• Turned on a dedicated precision CNC turning center
• Stopper style
• Sold as a complete set for the exhaust side