Product overview
Product overview
Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity and wear resistance.Swirl Polished and Fully Machined: The valves feature swirl polished under head areas and fully machined combustion faces to optimize airflow and combustion efficiency.Variety of Shapes: Choose between Race Master (Straight Stem) and Race Flo shapes to suit your racing engine's specific requirements.Recommended for Alcohol Engines: These valves are the recommended choice for exhaust valves in alcohol engines, ensuring reliable performance even in demanding conditions.
Vehicle fitment
Vehicle fitment
- 2002-2007 Subaru Impreza WRX
- 2002-2007 Subaru Impreza WRX STI
- 2004-2011 Subaru Impreza WRX STI
- 2008-2014 Subaru Impreza WRX STI
Warranty
Warranty
This product is covered under the Manufacturer's warranty. You can find more info on Manley Performance's website.
Questions about coverage?