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 6061-T6 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.
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 other Helix only designs.
6061-T6 Billet Aluminum Construction: All Silver Bullet Throttle Body Spacers are constructed from T-6061 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 increase intake air speed increasing performance and improved throttle response.
This throttle body spacer is 50-state legal (CARB E.O Number D-550-11/D-550-17).
Note: Does Not Fit 2004-2010 Ford F-150 V8-4.6L (3-Valve)
1997-2010 Ford F-150 V8-4.6L/5.4L (CARB 1997-2003 V8-5.4L models/2004 V8-4.6L models/2004-2010 V8-4.6L (2-Valve) models)
1997-2010 Ford Expedition V8-4.6L (16 Valve)/V8-5.4L (CARB 1997-2006 V8-4.6L models/2004-2010 V8-4.6L (2-Valve) models/1997-2004 V8-5.4L models)
2006-2008 Lincoln Mark LT V8-5.4L (CARB 2006-2008 models)
1998-2001 Lincoln Navigator V8-5.4L (16 Valve) (CARB 1998 models)
Year Make Model SubModel Engine Fuel 1997-2006 Ford Expedition V8 4.6L Gas 1997-2004 Ford Expedition V8 5.4L Gas 1997-2010 Ford F-150 V8 4.6L Gas 1997-2003 Ford F-150 V8 5.4L Gas 2006-2008 Lincoln Mark LT V8 5.4L Gas 1998-2001 Lincoln Navigator 16 Valve V8 5.4L Gas
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