750 CFM ALUMINUM STREET HP VAC SEC

The Holley Aluminum Street HP combines features from Holley's race-bred 4150 HP carbs and the Double Pumper, making it suitable for street and light competition use. It features an aluminum contoured main body design from the 4150 HP, a tumble-polished shiny finish, and screw-in air bleeds for precision tuning. The metering system includes a timed spark port for a vacuum advance distributor and is calibrated for hot street/strip engines, providing excellent throttle response, drivability, and maximum performance. A street HP base plate offers multiple vacuum ports for power brakes, PCV, etc.