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.
Silver Bullet Throttle Body Spacer Kit Ford F-150 97-10 V8-4.6L/ 97-03 V8-5.4L

Fitment:
Ford Excursion Eddie Bauer 2003
Ford Excursion Eddie Bauer 2004
Ford Excursion Eddie Bauer 2005
Ford Excursion Limited 2000
Ford Excursion Limited 2001
Ford Excursion Limited 2002
Ford Excursion Limited 2003
Ford Excursion Limited 2004
Ford Excursion Limited 2005
Ford Excursion XLS 2004
Ford Excursion XLS 2005
Ford Excursion XLT 2000
Ford Excursion XLT 2001
Ford Excursion XLT 2002
Ford Excursion XLT 2003
Ford Excursion XLT 2004
Ford Excursion XLT 2005
Ford Expedition Eddie Bauer 1997
Ford Expedition Eddie Bauer 1998
Ford Expedition Eddie Bauer 1999
Ford Expedition Eddie Bauer 2000
Ford Expedition Eddie Bauer 2001
Ford Expedition Eddie Bauer 2002
Ford Expedition Eddie Bauer 2003
Ford Expedition Eddie Bauer 2004
Ford Expedition Eddie Bauer 2005
Ford Expedition Eddie Bauer 2006
Ford Expedition King Ranch 2006
Ford Expedition Limited 2005
Ford Expedition Limited 2006
Ford Expedition NBX 2004
Ford Expedition XLS 2004
Ford Expedition XLS 2005
Ford Expedition XLS 2006
Ford Expedition XLT 1997
Ford Expedition XLT 1998
Ford Expedition XLT 1999
Ford Expedition XLT 2000
Ford Expedition XLT 2001
Ford Expedition XLT 2002
Ford Expedition XLT 2003
Ford Expedition XLT 2004
Ford Expedition XLT 2005
Ford Expedition XLT 2006
Ford Expedition XLT Sport 2004
Ford Expedition XLT Sport 2006
Ford F-150 Base 1997
Ford F-150 Base 1998
Ford F-150 Base 1999
Ford F-150 Base 2000
Ford F-150 FX2 2008
Ford F-150 FX2 2010
Ford F-150 Harley-Davidson Edition 2000
Ford F-150 Harley-Davidson Edition 2001
Ford F-150 Harley-Davidson Edition 2002
Ford F-150 Harley-Davidson Edition 2003
Ford F-150 King Ranch 2001
Ford F-150 King Ranch 2002
Ford F-150 King Ranch 2003
Ford F-150 Lariat 1997
Ford F-150 Lariat 1998
Ford F-150 Lariat 1999
Ford F-150 Lariat 2000
Ford F-150 Lariat 2001
Ford F-150 Lariat 2002
Ford F-150 Lariat 2003
Ford F-150 Lightning 1999
Ford F-150 Lightning 2000
Ford F-150 Lightning 2001
Ford F-150 Lightning 2002
Ford F-150 Lightning 2003
Ford F-150 STX 2004
Ford F-150 STX 2005
Ford F-150 STX 2006
Ford F-150 STX 2007
Ford F-150 STX 2008
Ford F-150 STX 2009
Ford F-150 STX 2010
Ford F-150 THE 60TH ANNIVERSARY EDITION 2008
Ford F-150 XL 1997
Ford F-150 XL 1998
Ford F-150 XL 1999
Ford F-150 XL 2000
Ford F-150 XL 2001
Ford F-150 XL 2002
Ford F-150 XL 2003
Ford F-150 XL 2004
Ford F-150 XL 2005
Ford F-150 XL 2006
Ford F-150 XL 2007
Ford F-150 XL 2008
Ford F-150 XL 2009
Ford F-150 XL 2010
Ford F-150 XLT 1997
Ford F-150 XLT 1998
Ford F-150 XLT 1999
Ford F-150 XLT 2000
Ford F-150 XLT 2001
Ford F-150 XLT 2002
Ford F-150 XLT 2003
Ford F-150 XLT 2004
Ford F-150 XLT 2005
Ford F-150 XLT 2006
Ford F-150 XLT 2007
Ford F-150 XLT 2008
Ford F-150 XLT 2009
Ford F-150 XLT 2010
Ford F-150 Heritage XL 2004
Ford F-150 Heritage XLT 2004
Ford F-250 Super Duty King Ranch 2004
Ford F-250 Super Duty Lariat 1999
Ford F-250 Super Duty Lariat 2000
Ford F-250 Super Duty Lariat 2001
Ford F-250 Super Duty Lariat 2002
Ford F-250 Super Duty Lariat 2003
Ford F-250 Super Duty Lariat 2004
Ford F-250 Super Duty XL 1999
Ford F-250 Super Duty XL 2000
Ford F-250 Super Duty XL 2001
Ford F-250 Super Duty XL 2002
Ford F-250 Super Duty XL 2003
Ford F-250 Super Duty XL 2004
Ford F-250 Super Duty XLT 1999
Ford F-250 Super Duty XLT 2000
Ford F-250 Super Duty XLT 2001
Ford F-250 Super Duty XLT 2002
Ford F-250 Super Duty XLT 2003
Ford F-250 Super Duty XLT 2004
Ford F-350 Super Duty King Ranch 2003
Ford F-350 Super Duty King Ranch 2004
Ford F-350 Super Duty Lariat 1999
Ford F-350 Super Duty Lariat 2000
Ford F-350 Super Duty Lariat 2001
Ford F-350 Super Duty Lariat 2002
Ford F-350 Super Duty Lariat 2003
Ford F-350 Super Duty Lariat 2004
Ford F-350 Super Duty XL 1999
Ford F-350 Super Duty XL 2000
Ford F-350 Super Duty XL 2001
Ford F-350 Super Duty XL 2002
Ford F-350 Super Duty XL 2003
Ford F-350 Super Duty XL 2004
Ford F-350 Super Duty XLT 1999
Ford F-350 Super Duty XLT 2000
Ford F-350 Super Duty XLT 2001
Ford F-350 Super Duty XLT 2002
Ford F-350 Super Duty XLT 2003
Ford F-350 Super Duty XLT 2004
Lincoln Mark LT Base 2006
Lincoln Mark LT Base 2007
Lincoln Mark LT Base 2008
Lincoln Navigator Base 1998
Lincoln Navigator Base 1999
Lincoln Navigator Base 2000
Lincoln Navigator Base 2001