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Demon

750 CFM Aluminum Mighty Demon Carburetor

Mechanical Secondaries Down-Leg

Part # MAD-750-MS Be the first to write a review
Estimated shipping date: 08/26/2022
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3

Emissions

This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles.

See Emissions Details
Holley is proud to announce that the next generation of Race 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.

Features:

  • 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

About Demon

Demon carburetors have it all – classic modular performance with a modern look, killer features, and numerous models for countless applications. When you pop the hood on your hot rod, a Demon carburetor will separate you from the pack.

Barrels4
BoosterDown Leg
Brand Demon
Carburetor UsePerformance and Race
CFM750
ChokeNone
ConditionNew
Emission Code3
FinishShiny
FuelGasoline
Fuel InletDual
High Speed Air Bleed36; 36
Idle Air Bleed Size70;70
Idle Feed Restriction35; 35
Marine UseNo
MaterialAluminum
ModelMighty Demon
Needle and Seat Size110; 110
Primary Main Jet74
Primary Power Valve4.5
Primary Pump Arm Size30cc
Primary Pump CamPink
Primary Pump Nozzle Size31
Product TypeCarburetor
SecondariesMechanical
Secondary Main Jet88
Secondary Pump Arm Size30cc
Secondary Pump CamPink
Secondary Pump Nozzle Size31
Supercharged ApplicationNo
Throttle Bore1.688 inch
Venturii Size1.375 inch
WarrantyLimited 90 Day
UPC090127734537
Part NumberMAD-750-MS
3

This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles.


The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles:

  • 1965 and older U.S. manufactured California Certified vehicles
  • 1967 and older U.S. manufactured Federally Certified vehicles
  • 1967 and older Foreign manufactured vehicle


WARNING: It is against the law to install this part on an Emissions Controlled Vehicle


The following vehicles are considered Emissions Controlled Vehicles:

  • 1966 and newer U.S. manufactured California Certified vehicles
  • 1968 and newer U.S. manufactured Federally Certified vehicles
  • 1968 and newer Foreign manufactured vehicle
This model of carburetor has the square bore flange bolt pattern. It can replace Holley, Edelbrock, Carter AFB, and Autolite style carburetors with 5 3/16" x 5 5/8" bolt pattern. If you have a spreadbore style intake manifold, you will need an adapter to install this carburetor. Similar to the Mr. Gasket #1932.
Limited 90 Day: See Details
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    Some parts are not legal for use in California or other states with similar regulations.