GSC Standard Exhaust Valve Set – Toyota 2JZ-GE / GTE (29mm) – GSC2061-12
High-Flow Stainless Exhaust Valves for Toyota 2JZ Engines
Upgrade your valvetrain with the GSC Power-Division Standard Exhaust Valve Set, engineered for Toyota 2JZ-GE and 2JZ-GTE platforms. These precision-crafted valves feature a 29mm head diameter and are built from modified 23-8N stainless steel for exceptional heat resistance and long-term durability.
Optimized for Performance and Longevity
Developed using advanced 3D modeling and simulation software, GSC’s valve heads are designed for maximum flow and minimal distortion. Each prototype is flow-tested in real-world engine applications to ensure industry-leading performance and sealing under extreme conditions.
Valve Features
- Swirl-polished heads improve airflow and combustion efficiency
- Back-cut design reduces valve weight for better high-RPM stability
- Micro-polished stems minimize oil retention and reduce drag
- Modified 23-8N stainless steel for high heat capacity and durability
- Stelite wafer or hardened tips for extended wear life
- Optimized tip height for proper valvetrain geometry and easier lash setup
- Balanced keeper groove to reduce spring shim use and enhance spring kit performance
- Compatible with OEM or upgraded keepers/locks (reuse not recommended for performance builds)
Specifications
| Stem Diameter | Overall Length | Head Diameter |
|---|---|---|
| 6mm | 99.00mm | 29.00mm |
Fitment:
- 1993–1998 Toyota Supra 3.0L Twin Turbo DOHC (2JZ-GTE)
- 1993–2002 Toyota Supra 3.0L Non-Turbo DOHC (2JZ-GE)
- 1991–1997 Toyota Aristo 3.0L Twin Turbo DOHC (2JZ-GTE)
- 1992–2004 Toyota Crown / Chaser / Mark II / Cresta 3.0L DOHC (2JZ-GE)
- 1998–2005 Lexus GS300 3.0L DOHC (2JZ-GE)
- 2001–2005 Lexus IS300 3.0L DOHC (2JZ-GE)
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov

