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
2007-2008	Ford	F-150	FX2
2005-2008	Ford	F-150	FX4
2006-2008	Ford	F-150	Harley-Davidson Edition
2005-2008	Ford	F-150	King Ranch
2005-2008	Ford	F-150	Lariat
2008	Ford	F-150	Limited
2005-2008	Ford	F-150	XL
2005-2008	Ford	F-150	XLT
2008	Ford	F-250 Super Duty	FX4
2006-2008	Ford	F-250 Super Duty	King Ranch
2006-2008	Ford	F-250 Super Duty	Lariat
2006-2008	Ford	F-250 Super Duty	XL
2006-2008	Ford	F-250 Super Duty	XLT
2008	Ford	F-350 Super Duty	FX4
2006-2008	Ford	F-350 Super Duty	King Ranch
2006-2008	Ford	F-350 Super Duty	Lariat
2006-2008	Ford	F-350 Super Duty	XL
2006-2008	Ford	F-350 Super Duty	XLT
2005-2008	Ford	Mustang	GT
2007-2008	Ford	Mustang	Shelby GT