Manley 00-03 Subaru WRX (EJ20) / 04 STi Intake 37mm Stainless Race Flo Valves

Manley 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 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.

Upgrade your Subaru WRX or STi engine with the Manley Performance EJ20 / 2004-2007 Subaru WRX & STi Intake 37mm Stainless Race Flo Valves. Designed specifically for engines operating under 8000 RPM, these valves are engineered to meet the demanding needs of bracket, drag, and oval track racing. Crafted from high-quality stainless steel, both the intake (Part Number NK-842) and exhaust (Part Number XH-426) valves deliver exceptional durability and consistent performance. The fully machined combustion faces and swirl-polished under-head areas optimize airflow and combustion efficiency, enhancing overall engine power and responsiveness. Featuring chrome stems and hard tips, these valves are built to withstand wear and extend service life in high-stress racing environments. The variety of shapes, including Race Master straight stem and Race Flo options, allow for tailored modifications to suit your specific engine setup. Whether you are racing on a track or tuning for maximum performance, these valves provide reliable, high-performance solutions for your Subaru engine. Designed to fit a range of 2004 to 2007 Subaru Impreza models, they are the perfect upgrade for enthusiasts seeking superior airflow and durability in their racing engines.

Features:

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

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

• 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 enhance wear resistance and service life

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