Manley Performance Intake 37mm Stainless Race Flo Valves for Subaru WRX and STi (Part Number 11140-8)

Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM Manley Valve - Intake, Valve-R/M SUBARU WRX 37mm.

• Recommended for Alcohol Engines: These valves are the recommended choice for exhaust valves in alcohol engines, ensuring reliable performance even in demanding conditions.
• Swirl Polished and Fully Machined: The valves feature swirl polished under head areas and fully machined combustion faces to optimize airflow and combustion efficiency.
• Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.
• Variety of Shapes: Choose between Race Master (Straight Stem) and Race Flo shapes to suit your racing engine's specific requirements.
• Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity and wear resistance.

Designed specifically for high-performance Subaru WRX and STi models from 2004 to 2007, the Manley Performance Intake 37mm Stainless Race Flo Valves are engineered to meet the demands of racing engines operating under 8,000 RPM. Crafted from high-quality stainless steel, these valves provide exceptional durability and resistance to wear, ensuring reliable performance under intense conditions. Their fully machined combustion faces and swirl polished under-head areas optimize airflow and combustion efficiency, contributing to improved engine power and responsiveness. The inclusion of chrome stems and hard tips enhances longevity, making these valves a preferred choice for motorsport enthusiasts seeking longevity and consistent performance. These valves are ideal for engines running alcohol fuels, providing reliable operation in demanding racing environments. The Race Flo shape offers a streamlined design tailored to maximize airflow and combustion efficiency, suitable for specialized racing applications. Whether used in bracket, drag, or oval track racing, these valves provide a significant upgrade over stock components, ensuring your engine maintains peak performance during critical moments. Easy to install and designed to fit specific Subaru models, the Manley Race Series valves are a trusted choice for serious racers and automotive enthusiasts aiming for top-tier engine performance.

Features:

• Recommended for alcohol engines, ensuring reliable performance in demanding racing conditions

• Swirl polished under-head areas and fully machined combustion faces optimize airflow and combustion efficiency

• Constructed from high-quality stainless steel for exceptional durability and wear resistance

• Available in Race Master (Straight Stem) and Race Flo shapes to suit specific engine requirements

• Chrome stems and hard tips for enhanced longevity and wear resistance

Fitment:
2002 Subaru Impreza WRX
2003 Subaru Impreza WRX
2004 Subaru Impreza WRX
2004 Subaru Impreza WRX STI
2005 Saab 9-2X Aero
2005 Subaru Impreza WRX
2005 Subaru Impreza WRX STI
2006 Saab 9-2X Aero
2006 Subaru Impreza WRX
2006 Subaru Impreza WRX Limited
2006 Subaru Impreza WRX STI
2006 Subaru Impreza WRX TR
2007 Subaru Impreza WRX
2007 Subaru Impreza WRX Limited
2007 Subaru Impreza WRX STI
2007 Subaru Impreza WRX STI Limited
2007 Subaru Impreza WRX TR
2008 Subaru Impreza WRX
2008 Subaru Impreza WRX STI
2009 Subaru Impreza WRX
2009 Subaru Impreza WRX Premium
2009 Subaru Impreza WRX STI
2010 Subaru Impreza WRX
2010 Subaru Impreza WRX Limited
2010 Subaru Impreza WRX Premium
2010 Subaru Impreza WRX STI
2010 Subaru Impreza WRX STI Special Edition
2011 Subaru Impreza WRX
2011 Subaru Impreza WRX Limited
2011 Subaru Impreza WRX Premium
2011 Subaru Impreza WRX STI
2011 Subaru Impreza WRX STI Limited
2012 Subaru Impreza WRX
2012 Subaru Impreza WRX Limited
2012 Subaru Impreza WRX Premium
2012 Subaru Impreza WRX STI
2012 Subaru Impreza WRX STI Limited

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: false
Units Per Sku: 1