GSC Power Division Intake Valve – +1MM Oversize Stainless Steel, Set of 8 for 5.0L Coyote Gen 1/2 - GSC2154-8
Designed for 2011–2017 Ford Mustang GT and F-150 models equipped with the 5.0L Coyote Gen 1/2 engine, this set of eight +1MM oversize stainless steel intake valves from GSC Power Division delivers enhanced airflow, durability, and valvetrain stability for high-performance builds.
Each valve features a larger head diameter and precision-machined stem, crafted from modified 21-4n stainless steel for exceptional strength and heat resistance. Using advanced 3D simulation and design software, GSC engineered a high-flow valve head that minimizes distortion under extreme conditions—ensuring consistent sealing and long-term reliability.
Key Features:
- Swirl-Polished Heads: Improve airflow and valve efficiency
- Back-Cut Profile: Reduces valve weight for increased RPM capability
- Micro-Polished Stems: Minimize oil retention and reduce friction within the guide
- Stellite-Tipped Ends: Hardened or fused tips resist wear and maintain geometry
- Optimized Tip Lengths: Tailored for proper valvetrain geometry and easier lash adjustment
- Balanced Keeper Groove: Calibrated to equalize spring pressure and reduce the need for shims
- OEM-Compatible Locks: Works with factory keeper systems; new locks recommended for performance builds
- Built for Reliability: Backed by GSC’s reputation for precision and durability
Valve Dimensions:
- Head Diameter: 1.507 in / 38.27 mm
- Total Length: 4.724 in / 120.00 mm
- Stem Diameter: 0.235 in / 5.97 mm
- Sold as a complete set of 8
Fitment:
- 2011 Ford Mustang GT
- 2012 Ford Mustang GT
- 2013 Ford Mustang GT
- 2014 Ford Mustang GT
- 2012 Ford Mustang Boss 302
- 2013 Ford Mustang Boss 302
- 2015 Ford Mustang GT
- 2016 Ford Mustang GT
- 2017 Ford Mustang GT
- 2011 Ford F-150 5.0L
- 2012 Ford F-150 5.0L
- 2013 Ford F-150 5.0L
- 2014 Ford F-150 5.0L
- 2015 Ford F-150 5.0L
- 2016 Ford F-150 5.0L
- 2017 Ford F-150 5.0L
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov

