aFe Silver Bullet Throttle Body Spacers TBS Ford F-150 97-10 V8-4.6 97-03 V8-5.4L

Silver Bullet throttle body spacers create turbulence in the air flow at the point just prior entry into the engine increasing horsepower, torque and improving throttle response and fuel efficiency. Silver Bullet throttle body spacers are constructed out of durable T-6061 billet aluminum and using a unique serrated/helix entry to create turbulence at the manifold while eliminating the annoying whistle found in other helix only throttle spacers.
Installation Instructions
Installation Instructions


This Part Fits:

Year	Make	Model	Submodel
2003-2005	Ford	Excursion	Eddie Bauer
2000-2005	Ford	Excursion	Limited
2004-2005	Ford	Excursion	XLS
2000-2005	Ford	Excursion	XLT
1997-2006	Ford	Expedition	Eddie Bauer
2006	Ford	Expedition	King Ranch
2005-2006	Ford	Expedition	Limited
2004	Ford	Expedition	NBX
2004-2006	Ford	Expedition	XLS
1997-2006	Ford	Expedition	XLT
2004,2006	Ford	Expedition	XLT Sport
1997-2000	Ford	F-150	Base
2008,2010	Ford	F-150	FX2
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
2004-2010	Ford	F-150	STX
2008	Ford	F-150	THE 60TH ANNIVERSARY EDITION
1997-2010	Ford	F-150	XL
1997-2010	Ford	F-150	XLT
2004	Ford	F-150 Heritage	XL
2004	Ford	F-150 Heritage	XLT
2004	Ford	F-250 Super Duty	King Ranch
1999-2004	Ford	F-250 Super Duty	Lariat
1999-2004	Ford	F-250 Super Duty	XL
1999-2004	Ford	F-250 Super Duty	XLT
2003-2004	Ford	F-350 Super Duty	King Ranch
1999-2004	Ford	F-350 Super Duty	Lariat
1999-2004	Ford	F-350 Super Duty	XL
1999-2004	Ford	F-350 Super Duty	XLT
2006-2008	Lincoln	Mark LT	Base
1998-2001	Lincoln	Navigator	Base