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Silver Bullet Throttle Body Spacer

Ford F-150 97-03 V8-4.6L/04-10 V8-4.6L (2-Valve)/ 97-03 V8-5.4L
Part Number: 46-33001

MSRP: $173.88


Silver Bullet throttle body spacers create turbulence in the air flow at the point just prior to entry of the engine - increasing performance, as well as improving throttle response.

  • Constructed from Durable 6061-T6 Billet Aluminum
  • Unique Serrated/Helix Entry Design Creates Turbulence and Eliminates Whistle Sound
  • Increases Air Intake Speed, Improving Performance & Throttle Response
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Serrated/Helix Design:
The Serrated/Helix combination design creates intake turbulence in the combustion chamber. This turbulence breaks up the fuel which creates a more complete combustion cycle increasing horsepower, torque and improving throttle response. The Serrated/Helix combination design also reduces intake whistle that occurs with Helix only designs.

6061-T6 Billet Aluminum Construction:
All Silver Bullet Throttle Body Spacers are constructed from 6061-T6 billet aluminum precision machined for light weight, high strength and perfect fit and finish.

Longer Intake Track:
Adding a Silver Bullet Throttle Body spacer lengthens the intake track which helps increasing intake air speed increasing performance and improved throttle response.

Fitment Note:
Does Not Fit 2004-2010 Ford F-150 V8-4.6L (3-Valve)

Emissions Disclaimer:
Some or all of the applications listed are 50-state exempt, please see D-550-11/D-550-17/D-550-43 for details.


Vehicle Applications

Year Make Model SubModel Engine Fuel
2000-2005Ford Excursion V8 5.4L Gas
1997-2004Ford Expedition V8 4.6L Gas
1997-2004Ford Expedition V8 5.4L Gas
1997-2010Ford F-150 V8 4.6L Gas
1997-2003Ford F-150 V8 5.4L Gas
2004-2004Ford F-150 Heritage V8 4.6L Gas
1999-2004Ford F-250 Super Duty V8 5.4L Gas
1999-2004Ford F-350 Super Duty V8 5.4L Gas
2006-2008Lincoln Mark LT V8 5.4L Gas
1998-2001Lincoln Navigator V8 5.4L Gas
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