ATI AF006A-073 3" Billet Carb Cover Spacer

ATI AF006A-073 3" Billet Carb Cover Spacer

ATI AF006A-073 3" Billet Carb Cover Spacer

The Carburetor Bonnet

While fully enclosing the carburetor in a “box” is necessary for marine applications (as required by U.S. Coast Guard

regulations), automotive applications are able to benefit from the performance and serviceability offered by a properly

configured carburetor “bonnet”. Pressurizing the bowls and guiding the air into the venturi are quite simple since they are

addressed with the installation of the carburetor bonnet. The float bowls on a Holley “double pumper” are referenced to

the carburetor air entry at the bowl vents. Once the carburetor hat is installed, these bowl vents will allow the float bowls to

maintain proper pressure and operate just as in naturally aspirated form. By design, the ProCharger carburetor bonnet also

controls the movement of incoming air and allows it to enter the venturi in a direct, controlled fashion. ATI offers three different

bonnet designs to accommodate a wide variety of applications. 

Applications operating at higher air flow and boost levels will benefit from efforts to further control the movement of air entering the venturi. This is typically accomplished through the use of a spacer placed between the standard ProCharger carburetor bonnet and the carburetor, and in some cases supplementary float bowl vent installation. 

Applications allowing minimal hood clearance will benefit from the use of our low profile bonnet, which extends only 2” above the carburetor’s air filter mounting flange.

 Click on More Information link below



The Finer Details

Part Number: ATI AF006A-073

Manufacturer: ATI ProCharger (Accessible Technologies Inc)

Condition: New

Weight: 4 lbs


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ATI AF006A-073 3" Billet Carb Cover Spacer