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.
This throttle body spacer is 50-state legal (CARB E.O Number D-550-11/D-550-17).
2005-2009 Toyota 4Runner V6-4.0L
2007-2009 Toyota FJ Cruiser V6-4.0L
2005-2012 Toyota Tundra V6-4.0L
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