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GSC Power Division Exhaust Valves Extended Tip Super Alloy +1MM - Set of 12 (Nissan RB26DETT) GSC2149-12

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Item#:
gsc2149-12
$557.76
Price: $474.12
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GSC Power Division Exhaust Valves – +1MM Extended Tip Super Alloy Set (GSC2149-12)

Maximize your RB26DETT’s performance with the GSC Power Division +1MM Super Alloy Exhaust Valve Set. This set of 12 valves features an extended tip and oversized head diameter, engineered to thrive in high-horsepower turbo applications and extreme exhaust gas temperatures—up to 2000°F.

Valve Specifications

  • Head Diameter: 31.15 mm / 1.226 in
  • Total Length: 103.24 mm / 4.065 in
  • Stem Diameter: 6.905 mm / 0.272 in

Designed for Flow and Strength

Using advanced 3D modeling and simulation tools, GSC has developed a high-flow valve head design that minimizes distortion and maximizes sealing. Each prototype is flow-tested in its intended engine platform to ensure optimal performance under extreme conditions.

Key Features

  • Enhanced Airflow: Improves combustion efficiency and power output
  • Back Cut Profile: Reduces valve weight for increased RPM capability
  • Micro-Polished Stems: Minimizes oil retention and drag for smoother guide movement
  • Super Alloy Construction: Built to withstand high EGTs and turbocharged abuse
  • Stellite-Tipped Ends: Hardened tips resist wear and maintain precise contact with valvetrain components
  • OEM Compatibility: Works with factory keeper/lock systems (Note: avoid reusing valve locks in performance builds)

Built for Reliability

Backed by GSC Power Division’s reputation for precision and durability, this exhaust valve set is the ideal upgrade for serious RB26DETT builders seeking long-term performance and flow efficiency.

Fitment:

- 1989 Nissan Skyline GT-R RB26DETT
- 1990 Nissan Skyline GT-R RB26DETT
- 1991 Nissan Skyline GT-R RB26DETT
- 1992 Nissan Skyline GT-R RB26DETT
- 1993 Nissan Skyline GT-R RB26DETT
- 1994 Nissan Skyline GT-R RB26DETT
- 1995 Nissan Skyline GT-R RB26DETT
- 1996 Nissan Skyline GT-R RB26DETT
- 1997 Nissan Skyline GT-R RB26DETT
- 1998 Nissan Skyline GT-R RB26DETT
- 1999 Nissan Skyline GT-R RB26DETT
- 2000 Nissan Skyline GT-R RB26DETT
- 2001 Nissan Skyline GT-R RB26DETT
- 2002 Nissan Skyline GT-R RB26DETT

CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov