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.

This Part Fits:

Year Make Model Submodel
2002-2005 Subaru Impreza WRX
2004-2011 Subaru Impreza WRX STI
2007,2011 Subaru Impreza WRX STI Limited
2010 Subaru Impreza WRX STI Special Edition

Manley Performance

Manley Subaru WRX EJ205/STi EJ257 33mm Race Master Exhaust Valve (Single)

SKU MAN11171-1
$31.42
$25.13
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.

This Part Fits:

Year Make Model Submodel
2002-2005 Subaru Impreza WRX
2004-2011 Subaru Impreza WRX STI
2007,2011 Subaru Impreza WRX STI Limited
2010 Subaru Impreza WRX STI Special Edition
$31.42
$25.13

Product Description

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.

This Part Fits:

Year Make Model Submodel
2002-2005 Subaru Impreza WRX
2004-2011 Subaru Impreza WRX STI
2007,2011 Subaru Impreza WRX STI Limited
2010 Subaru Impreza WRX STI Special Edition

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