GSC Intake Valve Guide w/ Stopper – Toyota G16E-GTS – GSC3146
Standard Intake Valve Guide for G16E-GTS Engines
The GSC Power-Division Intake Valve Guide is engineered for Toyota G16E-GTS cylinder heads. Featuring a stopper-style design and a 5.5mm valve stem fitment, this guide delivers secure seating and consistent valve control in both OEM and high-performance applications.
Fitment and Options
Sold individually. A full intake-side setup requires 6 guides. Oversized variants are available separately in +0.001" and +0.003" for tighter tolerances or custom-machined heads.
Key Features
- Standard sizing for direct-fit replacement
- Stopper-style profile for quick install and anti-drop protection
- Precision-machined for 5.5mm valve stems
Specifications
| Stem Diameter | Total Length | Outer Diameter | Protrusion Height |
|---|---|---|---|
| 5.5mm / 0.2165" | 47mm / 1.850" | 10.34mm / 0.407" | 15.4mm / 0.605" |
Fitment:
- 2021–2025 Toyota GR Corolla 1.6L Turbo Inline-3 (G16E-GTS)
- 2020–2025 Toyota GR Yaris 1.6L Turbo Inline-3 (G16E-GTS, international markets)
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