GSC Exhaust Valve Guide Set w/ Stopper – Toyota G16E-GTS – GSC3147-6
Complete Exhaust Valve Guide Set for G16E-GTS Engines
The GSC Power-Division Exhaust Valve Guide Set is precision-crafted for Toyota G16E-GTS cylinder heads. This set includes 6 standard-size guides featuring a stopper-style design that ensures secure seating and helps prevent guide movement during high-RPM operation. Ideal for both factory rebuilds and performance upgrades.
Fitment and Options
Sold as a full set of 6 for exhaust-side coverage. Oversized variants are available individually in +0.001" and +0.003" to accommodate custom-machined heads or tighter tolerances.
Key Features
- Standard 5.5mm valve stem fitment for G16E-GTS platforms
- Stopper-style profile for quick install and anti-drop protection
- Precision-machined for consistent valve control
Specifications
| Stem Diameter | Total Length | Outer Diameter | Protrusion Height |
|---|---|---|---|
| 5.5mm / 0.2165" | 47mm / 1.850" | 10.34mm / 0.407" | 13.08mm / 0.515" |
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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