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SKU: 2122-8
GSC Power-Division 2013-2020 Subaru BRZ / Scion FR-S / Toyota 86 21-4N Chrome Polished Intake Valve - 35mm Head (STD) - SET 8
GSC Power-Division chrome polished intake valves deliver reliable performance for the FA20 engine in 2013-2020 Subaru BRZ Scion FR-S and Toyota 86 models. This set of 8 valves features 35mm heads and standard stems crafted from 21-4N stainless steel to support higher RPMs improved airflow and extended durability under boost. Engine builders choose these for consistent valve train operation in demanding street and track conditions.
Key Features
- 21-4N Stainless Steel Construction: Provides high strength fatigue resistance and corrosion protection ideal for sustained high heat and pressure in performance engines
- Chrome Polished Stem Finish: Reduces friction against valve guides extends guide life and ensures smooth operation at peak valve speeds
- 35mm Head Diameter: Matches FA20 intake port design for enhanced airflow velocity and power across the RPM range
- 5.95mm STD Stem Diameter: Direct drop-in replacement maintains stock tolerances for easy integration with OEM or aftermarket components
- 97.74mm Overall Length: Precision dimensioned for proper installed height and coil bind clearance with stock or upgraded springs
Product Notes
- Complete set of 8 intake valves for full cylinder head replacement
- Inspect valve guides and seats prior to installation for optimal sealing
- Standard shipping via ground carrier with protective packaging
Installation Notes
- Professional installation recommended.
- Verify valve to piston clearance especially with high lift cams or milled heads
- Lap valves for proper seating and replace stem seals during service
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2013-2016 | Scion | FR-S | All |
| 2013-2020 | Subaru | BRZ | All |
| 2017-2020 | Toyota | 86 | All |
Why Choose GSC Power-Division?
- Backed by years of motorsports development in Subaru and Toyota platforms
- Manufactured to exact specifications for race-proven reliability
- Engineered with advanced materials for consistent performance gains
Frequently Asked Questions
-
Q: Do these valves fit 2013-2016 Scion FR-S models?
A: Yes they are a direct fit for all 2013-2016 Scion FR-S variants with the FA20 engine including base and performance packages -
Q: What material and finish are used?
A: Forged from 21-4N stainless steel with chrome polished stems for strength heat management reduced wear and long service life -
Q: What warranty coverage is provided?
A: GSC Power-Division valves carry a lifetime warranty against manufacturing defects when installed and maintained properly
Shipping & Handling
- Method: Standard ground shipping
- Availability: In stock - ships same or next business day
- Packaging: Securely boxed for damage-free delivery
- Weight: 0.95 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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