GSC Power Division GSC Exhaust Valve Sets +1mm | Subaru/Scion FA20 (B2133-50)

The GSC Power Division GSC Exhaust Valve Sets +1mm for Subaru and Scion FA20 engines are high-performance exhaust valves designed to withstand extreme conditions. Crafted from super alloy material, these 30mm head valves feature chrome-polished stems that provide a smooth, durable finish and enhanced lubricity. The +1mm size upgrade offers increased airflow potential, making them ideal for high horsepower and high exhaust gas temperature (EGT) setups. Built to endure temperatures up to 2000°F, these valves deliver exceptional strength, heat resistance, and longevity under demanding racing or performance applications. Their construction ensures reliable operation in high-stress environments, supporting maximum engine performance and durability.

These valves are compatible with Subaru and Scion FA20 engines, suitable for applications requiring high-performance upgrades. They are intended for use in high horsepower builds, track racing, or aggressive street driving where durability and heat resistance are critical. Installation involves replacing stock valves with these direct-fit components, ensuring a seamless upgrade. The set includes 50 valves, providing ample replacement options for rebuilds or extensive modifications. Designed to optimize airflow and withstand extreme conditions, these valves are an excellent choice for enthusiasts seeking reliable, high-quality components for demanding engine builds.