GSC Power-Division Super Alloy Exhaust Valves +1 2002-2014 WRX / 2004-2021 STI

Running high horsepower with high EGT's requires a valve that will last in 2000F conditions. GSC 32mm standard size Super Alloy Exhaust valves have chrome polished stems to create a smooth, durable finish for added life and better lubricity especially when paired with the GSC Manganese bronze valve guides. Strength, heat resistance and performance are engineered into every valve. Under head dish is maximized for weight savings while swirl polished and backcut heads promote better air flow without sacrificing durability.

Sold in a set of 8.