GSC Power Division Intake Valves – +1MM Extended Tip Stainless Set (GSC2148-12)
Boost the performance of your Nissan RB26DETT with the GSC Power Division +1MM Intake Valve Set. This set of 12 stainless steel valves features an enlarged head diameter and extended tip length, engineered for high-output builds and compatibility with reduced base circle camshafts or OEM 1ZZ Toyota shimless buckets.
Valve Dimensions
- Head Diameter: 35.6 mm / 1.402 in
- Total Length: 103.85 mm / 4.089 in
- Stem Diameter: 5.967 mm / 0.235 in
Optimized for Performance
Developed using advanced 3D simulation and design software, GSC’s intake valves deliver superior flow and strength. Each prototype is flow-tested in its target application to ensure maximum performance. The proprietary stainless alloy minimizes face distortion, improving seal integrity and maintaining consistent output under extreme conditions.
Highlighted Features
- Extended Tip Length: Ideal for reduced base circle cams and 1ZZ shimless bucket setups
- Swirl-Polished Heads: Enhances airflow and valve aerodynamics
- Back Cut Design: Reduces valve weight for improved RPM capability
- Micro-Polished Valve Stems: Minimizes oil retention and drag for smoother guide movement
- Premium Stainless Steel: Crafted from modified 21-4n alloy for strength and longevity
- Balanced Keeper Groove: Optimized for spring pressure balance, reducing need for shims
- OEM Compatibility: Works with factory keeper/lock systems (Note: avoid reusing locks in performance builds)
Built for Reliability
Backed by GSC Power Division’s reputation for quality and precision, this intake valve set is the perfect upgrade for serious RB26DETT builders seeking durability and high-RPM performance.
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
