The Serrated/Helix design creates air turbulence in the intake manifold to increase air pressure in the combustion chamber resulting in increased horsepower, torque and improved throttle response...

The Serrated/Helix design creates air turbulence in the intake manifold to increase air pressure in the combustion chamber resulting in increased horsepower, torque and improved throttle response...

The Serrated/Helix design creates air turbulence in the intake manifold to increase air pressure in the combustion chamber resulting in increased horsepower, torque and improved throttle response...

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. ...