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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
GSC Power Division
GSC Power Division is a manufacturer of precision-engineered camshafts, valve springs, and valvetrain components designed for high-performance and competition engines across domestic, import, and diesel platforms. Founded by engineers with deep roots in motorsport, GSC Power Division components are machined to exacting tolerances and heat-treated to survive the demands of forced induction and high-rpm applications that destroy stock valvetrain parts. The brand is particularly well-known in the Mitsubishi Evo, Subaru STI, Nissan RB, and Toyota 2JZ communities where aggressive camshaft profiles are essential for extracting maximum power from turbocharged four-cylinder and six-cylinder engines. Whether building for drag racing, road course competition, or a high-powered street car, GSC Power Division camshafts and valve springs are a proven upgrade path. Popular Upgrades GSC Power Division S1, S2, and S3 camshafts are the most popular selections, with each profile offering progressivel...
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Browse all of our valves and valvetrain components at Black Ops Auto Works, including engine valves, valve covers, valve cover gaskets, valve guides, valve springs, retainers, valve locks, valve seals, lash caps, and related valvetrain hardware for performance builds, engine refreshes, and high-horsepower applications. Whether you are rebuilding a cylinder head, upgrading your valvetrain for higher RPM, or replacing worn valve train components, this collection is built for customers searching for engine valves, valve springs and retainers, valve cover gaskets, performance valve covers, and valvetrain upgrades. Shop Top Valvetrain Brands Find trusted brands in the valve and valvetrain category, including: GSC Power Division Supertech Brian Crower Ferrea Manley Performance Cometic Granatelli Moroso BLOX Racing These brands are known for performance intake valves, exhaust valves, valve spring kits, titanium retainers, valve guides, valve locks, valve seals, billet valve covers, an...
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