Demon Fuel Systems 1904 | Carburetor

Part Number
Street Demon Carburetor; 750 cfm; Vacuum Secondary; Electric Choke; Triple Stack Booster; Black Composite Fuel Bowl
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The Street Demon redefines the street carburetor with clean looks and ease of use! It offers enthusiasts a straight–forward carburetor designed to deliver a stable idle, amazingly crisp throttle response and smooth performance. Its optimized calibration and dual mounting pattern make it Run–Ready(TM) for a large variety of engines and vehicles! Available in Hand Polished, Tumble Polished or Tumble Polished with Aerospace Composite Bowl for significant heat insulating benefits. Get one today and experience Performance That's Out of This World!

BRAND: Demon Fuel Systems


  • Holley Performance Emission Code 3: This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only 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. The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition and that are not registered and that may never be used on the street. 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
  • Street Demon® Carburetor
  • Street Demon® Carburetor; 750 cfm; Vacuum Secondary; Electric Choke; Triple Stack Booster; Black Composite Fuel Bowl;
  • Dual Mounting Bolt Pattern Fits Most Aftermarket Intake Manifolds
  • Integrated Fuel Bowl/Main Body Dsg. w/Gasket Eliminates Leak Path
  • Single Fuel Inlet For Simple Installation
  • Small 1-11/16 Throttle Bores Delivers Crisp Throttle Response
  • The Street Demon® redefines the street c
  • Ball Burnished Shiny Aluminum w/Black Composite Fuel Bowl
  • Electric Choke Management Means Easy Cold Starts
  • Patent Pending Mechanical Design
  • Developed From the Ground Up With Smooth Styling
  • Integrated 700R4/200R4 Transmission Kickdown Cable Mtg. Location
  • Metering Rods Control Easily Accessible w/o Carb Disassembly
  • Designed For Use On Most Stock To Mildly Modified V8s
  • One Piece Airhorn Is Easy To Clean and Maintain


Booster TypeTriple Stack
EmissionWithout EGR
FlangeSquare Bore
Fuel InletSingle
Fuel TypeGasoline
Metering Rod Size56/40
Primary Main Jet89
Primary Pump Nozzle Size40
Secondary Main Jet86
Secondary TypeVacuum
Step Up SpringGreen
Supercharged ApplicationNo
Vacuum Port Quantity1 timed (spark); 2 full; 1 PCV
WARNING CA Proposition 65Yes
WARNING CA Proposition 65 MessageWARNING: Cancer and Reproductive Harm -


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