SKU: 1032
GSC P-D Toyota GR Corolla 2023+ GR Yaris 2021+ G16E-GTS Viton 5.5mm Valve Stem Seal Set - Set of 12
GSC P-D Viton 5.5mm Valve Stem Seal Set part 1032 equips Toyota GR Corolla 2023+ and GR Yaris 2021+ with G16E-GTS engines. This 12-piece set replaces stock seals to control oil flow precisely during valve operation. It supports high-revving performance while cutting oil burn for cleaner operation.
Key Features
- Viton Material: Fluorocarbon rubber handles 400°F heat and resists fuel additives for reliable sealing over time
- 5.5mm Stem Diameter: Matches G16E-GTS valve stems exactly to prevent leaks and guide wear
- Set of 12 Seals: Covers all 12 valves on 1.6L turbo 3-cylinder engine for complete refresh
- Tight Tolerance Design: Meters oil flow to reduce consumption and blue smoke on startup
- Direct OEM Fit: Installs without modifications on stock or upgraded valvetrain components
Product Notes
- Confirm G16E-GTS engine before purchase as stem size is specific to 5.5mm
- Clean valve stems thoroughly and apply light assembly lube during installation
- Lightweight design at 0.25 lbs ships in compact 6x4x1 inch box
Installation Notes
- Professional installation recommended.
- Remove valve spring retainers and keepers using air compressor or spring tool
- Compatible with stock cylinder heads and aftermarket valve guides
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2021-2024 | Toyota | GR Yaris | All (G16E-GTS) |
| 2023-2025 | Toyota | GR Corolla | All (G16E-GTS) |
Why Choose GSC Power-Division?
- Proven in rally and track engines powering GR platforms to victory
- USA-manufactured with CNC-machined molds for consistent quality
- Backed by valvetrain experts focused on turbocharged Toyota builds
Frequently Asked Questions
-
Q: Will this fit 2024 GR Corolla Morizo Edition?
A: Yes fits all 2023-2025 GR Corolla models with factory G16E-GTS 1.6L turbo engine -
Q: How does Viton compare to stock rubber seals?
A: Viton offers higher heat resistance and chemical durability reducing seal hardening in boosted applications -
Q: What warranty applies and is DIY install simple?
A: One-year manufacturer warranty covers defects professional installation preferred but possible with valve spring tools
Shipping & Handling
- Method: UPS Ground
- Availability: In stock - ships same or next business day
- Packaging: Secure padded envelope or small box
- Weight: 0.25 lbs
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