With a .650" maximum lift, these Beehive Valve Springs were designed for Ford 4.6L and 5.4L Modular 2 and 3 Valve engines and Duramax applications. COMP Cams Beehive Valve Springs deliver increased valve train stability and a much lighter valve train. This is achieved with less spring pressure for better valve control and reduced weight of both the spring and retainer. The unique Beehive shape handles valve train stress more efficiently to eliminate damaging harmonics and increases high RPM horsepower and durability. The oval/multi-arc wire shape places the maximum area of the wire at the point of highest stress to handle valve train stress more efficiently and allow better heat dissipation for longer life. Because of the unique Beehive design, the valve train can handle more RPM and more aggressive cam profiles.
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This Part Fits:

Year	Make	Model	Submodel
1992-2003	Ford	Crown Victoria	Base
2002-2003	Ford	Crown Victoria	LWB
1992-2003	Ford	Crown Victoria	LX
1993-2003	Ford	Crown Victoria	Police Interceptor
1992-2003	Ford	Crown Victoria	S
1992	Ford	Crown Victoria	Touring Sedan
2003	Ford	E-150	Base
2003	Ford	E-150 Club Wagon	Chateau
2003	Ford	E-150 Club Wagon	XL
2003	Ford	E-150 Club Wagon	XLT
1997-2002	Ford	E-150 Econoline	Base
1997-2000	Ford	E-150 Econoline	XL
1997-2002	Ford	E-150 Econoline Club Wagon	Chateau
1997-2000	Ford	E-150 Econoline Club Wagon	Custom
2001-2002	Ford	E-150 Econoline Club Wagon	XL
1997-2002	Ford	E-150 Econoline Club Wagon	XLT
2003	Ford	E-250	Base
1997-2002	Ford	E-250 Econoline	Base
1997-2000	Ford	E-250 Econoline	XL
2003	Ford	E-350 Club Wagon	Chateau
2003	Ford	E-350 Club Wagon	XL
2003	Ford	E-350 Club Wagon	XLT
1997-1998	Ford	E-350 Econoline	Base
1997-1998	Ford	E-350 Econoline	XL
1997-2002	Ford	E-350 Econoline Club Wagon	Chateau
1997-2000	Ford	E-350 Econoline Club Wagon	Custom
2001-2002	Ford	E-350 Econoline Club Wagon	XL
1997-1998	Ford	E-350 Econoline Club Wagon	XL HD
1997-2002	Ford	E-350 Econoline Club Wagon	XLT
1997-1998	Ford	E-350 Econoline Club Wagon	XLT HD
1999-2003	Ford	E-350 Super Duty	Base
1999-2000	Ford	E-350 Super Duty	XL
2000-2002	Ford	E-450 Econoline Super Duty	Custom
2003	Ford	E-450 Super Duty	Custom
1997-1998	Ford	Econoline Super Duty	Custom
2003	Ford	Excursion	Eddie Bauer
2000-2003	Ford	Excursion	Limited
2000-2003	Ford	Excursion	XLT
1997-2003	Ford	Expedition	Eddie Bauer
1997-2003	Ford	Expedition	XLT
2002-2003	Ford	Explorer	Eddie Bauer
2002-2003	Ford	Explorer	Limited
2002-2003	Ford	Explorer	XLT
1997-2000	Ford	F-150	Base
2000-2003	Ford	F-150	Harley-Davidson Edition
2001-2003	Ford	F-150	King Ranch
1997-2003	Ford	F-150	Lariat
1999-2003	Ford	F-150	Lightning
1997-2003	Ford	F-150	XL
1997-2003	Ford	F-150	XLT
2004	Ford	F-150 Heritage	SVT Lightning
1997-1999	Ford	F-250	Base
1997-1999	Ford	F-250	Lariat
1997-1999	Ford	F-250	XL
1997-1999	Ford	F-250	XLT
1999-2003	Ford	F-250 Super Duty	Lariat
1999-2003	Ford	F-250 Super Duty	XL
1999-2003	Ford	F-250 Super Duty	XLT
2003	Ford	F-350 Super Duty	King Ranch
1999-2003	Ford	F-350 Super Duty	Lariat
1999-2003	Ford	F-350 Super Duty	XL
1999-2003	Ford	F-350 Super Duty	XLT
1996-2005	Ford	Mustang	GT
2001	Ford	Mustang	GT Bullitt
2003-2004	Ford	Mustang	Mach 1
1996-1999,2001	Ford	Mustang	SVT Cobra
1994-1997	Ford	Thunderbird	LX