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SKU: 2192-6
GSC Toyota G16E-GTS 32.8mm Head Dia Intake Valves - Set of 6 (2023+ GR Corolla)
Upgrade your 2023+ Toyota GR Corolla with GSC Power-Division intake valves featuring 32.8mm head diameter. This set of 6 fits the G16E-GTS 1.6L turbo engine precisely. Larger heads deliver more airflow for higher boost levels and power gains while forged steel ensures reliability under extreme conditions.
Key Features
- Forged 4340 Chrome Moly Steel: Provides high strength to handle high RPM and boost without deformation or failure.
- 32.8mm Head Diameter: Increases intake flow over stock for better cylinder filling and horsepower in turbo setups.
- Swirl Polished Finish: Reduces valve guide friction and improves heat dissipation for longer life in performance applications.
- Precise Dimensions: 6.98mm/7.00mm stem diameter and 104.92mm overall length match G16E-GTS specs for drop-in compatibility.
- Complete Set of 6: Covers all intake valves on the 3-cylinder engine for a full valvetrain refresh.
Product Notes
- Valve seats may require machining for oversized 32.8mm heads to achieve proper flow and sealing.
- Inspect valve springs and retainers during installation for compatibility with high-lift cams.
- Ships in protective packaging to prevent damage during transit.
Installation Notes
- Professional installation recommended.
- Machine valve seats to match 32.8mm head diameter before assembly.
- Compatible with stock guides retainers and seals. use OEM torque specs on head.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2023-2025 | Toyota | GR Corolla | Core |
| 2023-2025 | Toyota | GR Corolla | Premium |
| 2023-2025 | Toyota | GR Corolla | Circuit Edition |
| 2023-2025 | Toyota | GR Corolla | Morizo Edition |
Why Choose GSC Power-Division?
- Proven in drag racing and rallycross with GR Corolla builds.
- CNC machined to micron tolerances for consistent performance.
- Backed by lifetime warranty against manufacturing defects.
Frequently Asked Questions
-
Q: Will these fit my 2023 Toyota GR Corolla G16E-GTS engine?
A: Yes these are engineered specifically for the 2023-2025 GR Corolla G16E-GTS across all submodels with direct stem and length compatibility. -
Q: What material are the valves made from?
A: One-piece forged 4340 Chrome Moly steel with swirl polish for superior fatigue resistance and flow. -
Q: What warranty do these valves carry?
A: GSC offers a lifetime warranty on valves for defects in materials or workmanship when installed properly.
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: Foam protected box 8x6x2 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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