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SKU: 2123-8
GSC P-D 2013-2021 Subaru BRZ / Scion FR-S / Toyota 86 Chrome Polished Exhaust Valve - 30mm Head (+1mm) - SET 8
GSC Power-Division exhaust valves deliver reliable performance for the FA20 engine in 2013-2021 Subaru BRZ 2013-2016 Scion FR-S and 2017-2021 Toyota 86. This set of 8 features a 30mm head diameter +1mm over stock to boost exhaust flow and support higher power levels. Built to handle heat and stress these valves extend engine life in street and track use.
Key Features
- 30mm Head Diameter (+1mm): Expands exhaust flow for gains in horsepower and response across the RPM range
- Chrome Polished Stems: Cuts friction on guides enhances heat transfer and lengthens valve train life
- One-Piece Forged Design: Forged from premium stainless steel for strength that resists fatigue at high revs
- Swirl Polished Heads: Smooths airflow reduces restrictions and improves scavenging efficiency
- Exact OEM Tolerances: Drops in with stock components after minor machining for seamless integration
Product Notes
- Valve seats require machining to match +1mm oversized head diameter
- Pair with GSC valve springs for boosted or high-RPM setups
- Set includes 8 exhaust valves ready for performance builds
Installation Notes
- Professional installation recommended.
- Machine valve seats 1mm larger to ensure proper sealing and heat dissipation
- Works with factory valve guides and retainers no special hardware needed
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2013-2021 | Subaru | BRZ | All |
| 2013-2016 | Scion | FR-S | All |
| 2017-2021 | Toyota | 86 | All |
Why Choose GSC?
- Proven in drag racing and circuit events by top teams
- CNC machined for consistent quality and fit every time
- Backed by decades of valvetrain expertise for FA20 platforms
Frequently Asked Questions
-
Q: Will these valves fit later GR86 models?
A: These fit FA20 engines in 2013-2021 BRZ FR-S 86. GR86 uses FA24 check application first -
Q: What finish and material details?
A: Chrome polished stems on stainless steel forgings resist wear and corrosion in hot exhaust environments -
Q: Do I need new springs or seats?
A: Seat machining required for +1mm head. Upgrade springs for turbo or rev-happy cams
Shipping & Handling
- Method: Standard Ground
- Availability: In stock - ships same or next business day
- Packaging: Individual protective sleeves in foam-lined box 9 x 6 x 2 inches
- Weight: 1.8 lbs
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