Silver Bullet throttle body spacers are constructed out of durable 6061-T6 billet aluminum and utilize a serrated/helix design that creates turbulence in air flow at the point just prior entry into the engine. This turbulence helps the air/fuel charge burn completely for increased horsepower, torque and throttle response. This throttle body spacer only works with aFe Stage-2 intakes part number 51-10512, 54-10512, 51-80512 and 54-80512.
This throttle body spacer is 50-state legal (CARB E.O Number D-550-11/D-550-17).
2004-2010 Ford Super Duty F-250/F-350 V8-5.4L
2005-2010 Ford Expedition V8-5.4L
2006-2008 Lincoln Mark LT V8-5.4L
Year Make Model SubModel Engine Fuel 2009-2009 Ford Expedition V8 5.4L Gas 2004-2010 Ford F-150 V8 5.4L Gas
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- Super easy to install. I installed it with the aFe Sealed...
- Super easy to install. I installed it with the aFe Sealed intake and it fit great. Looks good under the hood. I felt an immediate power gain by installing the intake and spacer. Worked great and instructions were well written.