Manley Performance Intake 36mm Stainless Race Flo Valves for Subaru WRX and STi (Part Number 11138-8)

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 36mm.

• 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 Subaru WRX and STi models from 2004 to 2007, the Manley Performance Intake 36mm Stainless Race Flo Valves deliver exceptional performance for high-revving engines operating under 8,000 RPM. Crafted from durable stainless steel, these valves are engineered to withstand the demanding conditions of racing applications, ensuring long-lasting reliability. The fully machined combustion faces and swirl polished under-head areas optimize airflow and combustion efficiency, contributing to increased horsepower and improved throttle response. Whether you are tuning a bracket, drag, or oval track engine, these valves are a reliable upgrade that enhances overall engine performance.
Manley's Race Series valves are recommended for alcohol engines, providing consistent performance even under extreme conditions. The inclusion of chrome stems and hard tips extends valve longevity, reducing wear during high-stress operations. Available in both Race Master (straight stem) and Race Flo shapes, these valves can be tailored to your specific engine build. The intake valves fit seamlessly into your Subaru's cylinder head, ensuring a precise and secure fit for optimal airflow and combustion. Designed with the serious racer in mind, these valves are a vital component for anyone looking to maximize engine output and durability in competitive motorsports.

Features:

• Recommended for alcohol engines for reliable performance in demanding conditions

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

• Constructed from high-quality stainless steel for durability and longevity

• Available in Race Master (straight stem) and Race Flo shapes to suit engine requirements

• Chrome stems and hard tips for enhanced wear resistance and extended valve life

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: t
Units Per Sku: 1