Silver Bullet throttle body spacers create turbulence in the air flow just prior to 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.
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 lightweight, 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
Year Make Model SubModel Engine Fuel 1991-2001 Jeep Cherokee XJ I6 4.0L Gas 1999-2004 Jeep Grand Cherokee I6 4.0L Gas 1997-2006 Jeep Wrangler TJ L6 4.0L Gas 1991-1995 Jeep Wrangler YJ L6 4.0L Gas
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I noticed a much quicker response when I hit the gas pedal. It reminded me of the response before I put the lift and bigger tires on. It was extremely easy to install and took me 15-20 min.