ATI ProCharger Polished Competition Carb Hat Bonnet for 4150 Blow Thru Carbs

This is the Competition Carburetor Hat - Polished Finish - 3.50" Inlet - 4.50" Tall Largest, Most Reliable Power Gains in the Industry.
This attractive ProCharger design provides 10% more airflow than our standard carb bonnet, as well as improved air/fuel distribution with a lower height for improved hood clearance. The high-quality casting also features a unique O-ring design to ensure a good seal even under extreme pressure and air flow. The divider-free design does not require “clocking” in a specific direction and allows for more installation options with minimal impact on airflow distribution to the throttle plates or throttle body ports. Billet spacers, with O-rings are available for extremely high horsepower applications. Available in satin or optional polished finish.