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SKU: 2283-8
GSC P-D Subaru FA20F WRX 2015+ 23-8N Chrome Polished Exhaust Valve 30mm Head +1mm - (8)
GSC Power-Division exhaust valves upgrade the FA20F engine in 2015-2021 Subaru WRX models with precision-engineered components for high-boost applications. This set of 8 delivers improved exhaust flow and heat management to support aggressive camshafts and turbo setups. Direct replacement design ensures reliable performance in street and track environments.
Key Features
- 23-8N Stainless Steel: Heat-resistant forging withstands extreme turbo temperatures for consistent valve operation
- Chrome Polished Stems: Smooth finish cuts friction and guide wear extending valve train life
- 30mm Head Diameter: Larger head promotes exhaust scavenging and power across RPM range
- +1mm Stem Length: Matches ported heads for secure seating and lash adjustment
- One-Piece Forged Construction: High-strength design handles high-RPM stress without flexing
Product Notes
- Complete set of 8 exhaust valves for full engine refresh
- Inspect valve guides and seats before installation for best results
- Handle carefully to protect polished finishes during storage
Installation Notes
- Professional installation recommended.
- Replace valve stem seals with performance units during install
- Compatible with stock keepers and springs or aftermarket upgrades
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2015-2021 | Subaru | WRX | Base |
| 2015-2021 | Subaru | WRX | Limited |
| 2015-2021 | Subaru | WRX | Premium |
Why Choose GSC Power-Division?
- Proven in drag racing and rallycross Subaru builds
- Made in USA with micrometer tolerances for fit
- Backed by real-world dyno testing data
Frequently Asked Questions
-
Q: Will these valves fit my 2015-2021 Subaru WRX FA20F?
A: Yes direct fit for all trim levels with stock or ported cylinder heads on FA20F turbo engines -
Q: What finish and material do these use?
A: 23-8N stainless steel valves with swirl-polished chrome stems for reduced wear and better lubrication retention -
Q: What warranty coverage applies?
A: Limited lifetime warranty against manufacturing defects when installed by certified technicians
Shipping & Handling
- Method: Standard ground shipping
- Availability: In stock - ships same or next business day
- Packaging: Protective padded box 1in x 6in x 8in
- Weight: 0.45 lbs
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