Designed for '11-'14 and '15+ 5.0L Coyote and Boss engines, this beehive spring kit offers increased valve control at high RPM while allowing for higher valve lift from performance cams. Includes properly matched retainers, seals and seats.
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This Part Fits:

Year	Make	Model	Submodel
2011-2014	Ford	F-150	FX2
2011-2014	Ford	F-150	FX4
2011-2017	Ford	F-150	King Ranch
2011-2017	Ford	F-150	Lariat
2011-2017	Ford	F-150	Platinum
2016-2017	Ford	F-150	SSV
2011-2014	Ford	F-150	STX
2011-2017	Ford	F-150	XL
2011-2017	Ford	F-150	XLT
2012-2013	Ford	Mustang	Boss 302
2011-2017	Ford	Mustang	GT
2015	Ford	Mustang	GT 50 Years Limited Edition
2015-2017	Ford	Mustang	GT Premium