GSC Super Alloy Exhaust Valve – FA24F WRX (GSC2265-01)
High-Temp Exhaust Valve for 2022+ Subaru WRX FA24F
Built for the 2022–2024 Subaru WRX FA24F, the GSC Power-Division Super Alloy Exhaust Valve delivers exceptional flow, thermal stability, and long-term reliability. This single valve features a 29mm head and precision-machined stem geometry, ideal for both naturally aspirated and turbocharged setups.
Technical Specifications
- Part Number: GSC2265-01
- Head Diameter: 29.00mm (1.142")
- Stem Diameter: 5.46mm (0.215")
- Overall Length: 96.50mm (3.799")
Designed for Flow, Strength, and Longevity
Using advanced 3D modeling and simulation software, GSC engineered a high-flow valve head with reduced face distortion for better sealing under extreme conditions. Each prototype is tested in its intended application to ensure maximum performance and consistent results throughout the valve’s lifespan.
Key Features:
- Swirl-optimized head improves exhaust flow and engine breathing
- Backcut profile reduces weight and supports higher RPM operation
- Micro-polished stem minimizes oil drag and enhances guide movement
- Super alloy construction resists high temperatures and wear
- Stellite-tipped or hardened valve ends for extended service life
- Compatible with OEM keeper/lock systems (reuse not recommended for performance builds)
- Backed by GSC Power-Division’s commitment to quality
Fitment Note
Application: Designed specifically for 2022–2024 Subaru WRX FA24F engines. Please confirm fitment before ordering.
Fitment:
- 2022 Subaru WRX 2.4L FA24F
- 2023 Subaru WRX 2.4L FA24F
- 2024 Subaru WRX 2.4L FA24F
- 2025 Subaru WRX 2.4L FA24F
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov

