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SKU
60-877505-1

850 CFM Speed Demon Carburetor Polished Aluminum Mechanical Secondaries

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$804.95 Each
Fitment
Brougham, 1967 thru 1967 View More
Product Details
Holley is proud to announce that the next generation of Mighty Demon™ carburetors have arrived. They are available in a full range of sizes and options for your street/strip car. They feature billet-aluminum metering blocks, billet aluminum baseplates, large capacity fuel bowls complete with dual sight glasses, dual threaded inlets on each side, and internal baffling to prevent fuel slosh when you are on the track. For high horsepower street and race engines, the aluminum Mighty Demon™ delivers more power and performance for your race car.
Availability: Ships Direct from Manufacturer - 2-3 Week Delivery
  • All aluminum polished construction with billet metering blocks and base plate (Now 40% lighter than the original Demons!)
  • Fuel bowls and main body have been redesigned for a sleeker, more stylish appearance
  • Completely re-engineered and re-calibrated for better drivability and full throttle performance
  • Re-designed throttle lever with integrated Ford A/T, 700-R4, and Chrysler kick down options
  • Fuel bowls now have dual threaded inlets on each side, dual sight glass windows, and internal baffling for improved fuel slosh control
  • Secondary fuel bowls include notched floats and jet extensions to prevent fuel starvation during hard launches
  • Changeable idle, high-speed air bleeds & power valve restrictions for precise tuning
  • Billet Baseplate with Idle-Eze™ allows precision fine tuning of the idle speed resulting in a smoother transition from off-idle

Holley is proud to announce that the next generation of Mighty Demon™ carburetors have arrived. They are available in a full range of sizes and options for your street/strip car. They feature billet-aluminum metering blocks, billet aluminum baseplates, large capacity fuel bowls complete with dual sight glasses, dual threaded inlets on each side, and internal baffling to prevent fuel slosh when you are on the track. For high horsepower street and race engines, the aluminum Mighty Demon™ delivers more power and performance for your race car.

850 CFM Speed Demon Carburetor Polished Aluminum Mechanical Secondaries


Combined Cancer/Birth Defect
WARNING This product can expose you to chemicals including Chromium which is known to the State of California to cause cancer on birth defects or other reproductive harm. For more information, visit www.p65warnings.ca.gov
More Information
Base Part Number 877505
Brand Holley
Make / Model Series Body Notes Year
Make / Model Ford Country Sedan Series Body Notes Year 1960, 1961, 1962, 1963, 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974
Make / Model Ford Country Squire Series Body Notes Year 1960, 1961, 1962, 1963, 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974
Make / Model Ford Custom Series Body Notes Year 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972
Make / Model Ford Custom 500 Series Body Notes Year 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977
Make / Model Ford Galaxie Series Body Notes Year 1960, 1961, 1962, 1963, 1964, 1965, 1966, 1967
Make / Model Ford Galaxie 500 Series Body Notes Year 1962, 1963, 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974
Make / Model Ford LTD Series Body Notes Year 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978
Make / Model Ford Ranch Wagon Series Body Notes Year 1960, 1961, 1962, 1963, 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974
Make / Model Mercury Brougham Series Body Notes Year 1967
Make / Model Mercury Colony Park Series Body Notes Year 1960, 1961, 1962, 1963, 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974
Make / Model Mercury Commuter Series Body Notes Year 1960, 1961, 1962, 1963, 1964, 1965, 1966, 1967, 1968
Make / Model Mercury Grand Marquis Series Body Notes Year 1975, 1976, 1977, 1978
Make / Model Mercury Marauder Series Body Notes Year 1963, 1964, 1965, 1966, 1967, 1968, 1969, 1970
Make / Model Mercury Marquis Series Body Notes Year 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978
Make / Model Mercury Meteor Series Body Notes Year 1961, 1962, 1963
Make / Model Mercury Monterey Series Body Notes Year 1960, 1961, 1962, 1963, 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972
Make / Model Mercury Park Lane Series Body Notes Year 1960, 1964, 1965, 1966, 1967, 1968
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