2009 Hummer H3 Throttle Body Spacers

Boost your engine's horsepower and torque while improving its overall fuel efficiency with our throttle body spacers. Made from high-quality aluminum, these accessories work by improving air flow through the intake manifold and optimizing the mixture of fuel and air in your engine's combustion chamber. They bolt on easily to the back of the throttle body and allow your engine to get the proper level of air into its combustion chamber with less effort. They are also easy to install and come with all of the required mounting hardware.