Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy: The hallmark of excellence in exhaust valve material construction.Built to Last: Featuring chrome stems and hard tips for exceptional longevity and wear resistance.Optimized Performance: Swirl polished under head areas and fully machined combustion faces improve airflow and combustion efficiency.

This Part Fits:

Year	Make	Model	Submodel
2005-2006	Saab	9-2X	Aero
2002-2012	Subaru	Impreza	WRX
2006-2007,2010-2012	Subaru	Impreza	WRX Limited
2009-2012	Subaru	Impreza	WRX Premium
2004-2012	Subaru	Impreza	WRX STI
2007,2011-2012	Subaru	Impreza	WRX STI Limited
2010	Subaru	Impreza	WRX STI Special Edition
2006-2007	Subaru	Impreza	WRX TR