GSC +0.003" Exhaust Valve Guide w/ Depth Step Toyota 2JZ-GTE GSC3113.003-1
Oversized Exhaust Valve Guide for Toyota 2JZ-GTE Engines
The GSC Power-Division +0.003" Exhaust Valve Guide is precision-crafted for Toyota 2JZ-GTE applications requiring additional clearance in custom-machined or high-mileage cylinder heads. Featuring a 6.6mm valve stem fitment and integrated depth step, this guide ensures accurate seating and consistent valve control in high-performance builds.
Fitment and Compatibility
Sold individually. A full head requires 12 guides. Standard and +0.001" oversized options are also available. Must be used with GSC1029 valve stem seal for proper sealing and fitment.
Key Features
- +0.003" oversized fit for custom-machined heads
- Depth step design for precise installation
- OEM-style smooth finish for reliable valve stem support
Specifications
| Stem Diameter | Total Length | Outer Diameter |
|---|---|---|
| 6.6mm | 40.64mm / 1.600" | 11.04mm / 0.4347" (step: 12.065mm / 0.4750") |
Fitment:
- 1993–1998 Toyota Supra Turbo 3.0L DOHC Inline-6 (2JZ-GTE)
- 1991–2001 Toyota Aristo 3.0L Twin Turbo DOHC Inline-6 (2JZ-GTE, Japan only)
- 1997–2005 Toyota Soarer / Lexus SC300 3.0L DOHC Inline-6 (2JZ-GTE swap-compatible)
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