Description
Product Fitment:
2013 Subaru BRZ
2013 Scion FR-S
The GSC Power-Division Super Alloy Exhaust Valves are built for high-horsepower FA20 engines where durability and heat resistance are critical. Specifically designed for the 2013 Subaru BRZ and Scion FRS, these valves are capable of withstanding exhaust gas temperatures up to 2000°F, making them ideal for turbocharged, supercharged, or aggressively tuned naturally aspirated builds.
These valves feature chrome-polished stems for improved lubricity and wear resistance, especially when paired with GSC Manganese bronze valve guides. The under-head dish design reduces weight, while swirl-polished and backcut heads enhance airflow for improved performance without compromising reliability.
Features
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High Heat Resistance: Capable of withstanding temperatures up to 2000°F
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Super Alloy Construction: Ideal for high EGT and high-boost applications
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Chrome-Polished Stems: Enhanced lubricity and longevity
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Swirl Polished & Backcut Valve Heads: Improved flow and combustion efficiency
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Lightweight Design: Maximized under-head dish for reduced mass without sacrificing strength
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Recommended Pairing: Works best with GSC Manganese Bronze Valve Guides
Fitment Note
These valves are compatible with 2013 model year FA20 engines only.
Not compatible with 2014 and newer BRZ/FRS/86 due to cylinder head differences.
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