850 CFM ALUMINUM STREET HP MECH SEC

Holley Aluminum Street HP carburetors deliver weight savings, lasting good looks, and affordable tire-smoking performance! Utilizing the best features of their race-bred HP and the Double Pumper, Holley offers these amazing street/strip carburetors that weigh 40 percent less—and take less out of your wallet! Street HP carburetors display an aluminum contoured main body design with a tumble-polished, shiny finish, plus screw-in air bleeds for precision tuning capabilities. The metering system includes a timed spark port for a vacuum advance distributor, calibrated for a hot street/strip engine setup with outstanding throttle response, drivability, and maximum performance. They are 100 percent wet-flow tested to ensure that they arrive ready-to-run. More Holley Aluminum Street HP carburetor features: contoured Venturi inlet offers balanced airflow for increased horsepower, four-corner idle for precise idle control, mechanical secondaries for impressive tire-turning performance, dual accelerator pumps for additional fuel under initial acceleration, dual feed fuel inlets for constant, high-volume fuel delivery, available in 650, 750, 850, and 950 cfm versions. Street HP base plate is used, so there are plenty of vacuum ports for power brakes, PCV, etc. Intended for lightweight vehicles with manual transmission or automatics with a high stall and low gearing.