GSC Exhaust Valve – STD Size 33.50mm – Nissan TB48DE Single (GSC2081-01)
The (PN GSC2081-01) is designed for engines requiring high-flow capability and long-term durability. With a head diameter of 33.50mm and a robust, this valve is built to handle elevated temperatures and aggressive cam profiles in high-performance setups.
- 7mm
- 98.30mm
- 33.50mm
Developed using cutting-edge 3D modeling and simulation tools, GSC’s exhaust valve features a high-flow head profile that’s been tested in TB48-specific applications. The result: reduced face distortion, improved sealing under extreme conditions, and consistent performance throughout the valve’s service life.
- Enhance airflow across the valve surface
- Reduces valve weight for improved RPM response and boost handling
- Minimize oil retention and reduce drag for smoother valve movement
- Material: Modified 23-8n stainless steel for exhaust valves (heat-resistant and long-lasting)
- Hardened or fused with stelite wafer for extended wear resistance
- Reduces tipping and simplifies valve lash setup
- Balances spring pressure to reduce shim use and enhance spring/retainer performance
- Compatibility: Works with OEM or GSC upgraded keeper/lock (new locks recommended for performance builds)
Fitment:
- 2002 Nissan Patrol GR TB48DE
- 2003 Nissan Patrol GR TB48DE
- 2004 Nissan Patrol GR TB48DE
- 2005 Nissan Patrol GR TB48DE
- 2006 Nissan Patrol GR TB48DE
- 2007 Nissan Patrol GR TB48DE
- 2008 Nissan Patrol GR TB48DE
- 2009 Nissan Patrol GR TB48DE
- 2010 Nissan Patrol GR TB48DE
- 2011 Nissan Patrol GR TB48DE
- 2012 Nissan Patrol GR TB48DE
- 2013 Nissan Patrol GR TB48DE
- 2014 Nissan Patrol GR TB48DE
- 2015 Nissan Patrol GR TB48DE
- 2016 Nissan Patrol GR TB48DE
- 2017 Nissan Patrol GR TB48DE
- 2018 Nissan Patrol GR TB48DE
- 2019 Nissan Patrol GR TB48DE
- 2020 Nissan Patrol GR TB48DE
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov

