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).
Year Make Model SubModel Engine Fuel 2001-2001 Ford Explorer Including Sport, SporTrac V6 4.0L Gas 2002-2004 Ford Explorer Sport, SporTrac V6 4.0L Gas 2005-2005 Ford Explorer SporTrac V6 4.0L Gas 2001-2009 Ford Ranger V6 4.0L Gas 2002-2009 Mazda B4000 V6 4.0L Gas
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