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!
  • Ball Burnished Shiny Aluminum Finish
  • Single Fuel Inlet For Simple Installation
  • Integrated 700R4/200R4 Transmission Kickdown Cable Mtg. Location
  • Patent Pending Mechanical Design
  • Designed For Use On Most Stock To Mildly Modified V8s
  • Developed From the Ground Up With Smooth Styling
  • One Piece Airhorn Is Easy To Clean and Maintain
  • Electric Choke Management Means Easy Cold Starts
  • Dual Mounting Bolt Pattern Fits Most Aftermarket Intake Manifolds
  • Integrated Fuel Bowl/Main Body Dsg. w/Gasket Eliminates Leak Path
  • Small 1-11/16 Throttle Bores Delivers Crisp Throttle Response
  • Metering Rods Control Easily Accessible w/o Carb Disassembly

Application Summary:

Year Make/Model
The Street Demon® redefines the street c
Barrel Four
Barrels 4
Booster Triple Stack
Booster Type Triple Stack
Brand Demon
CFM 750
California Proposition 65 Yes
Carburetor Type Street Demon 625
Choke Electric
Country of Origin (Primary) US
Emission Without EGR
Emission Code 3, Off Road
Finish Shiny
Flange Square Bore
Fuel Gasoline
Fuel Inlet Single
Fuel Type Gasoline
GTIN 00792898400504
Harmonized Tariff Code (Schedule B) 8409914000
Hazardous Material Code N
Life Cycle Status Code Available to Order
Material Aluminum
Metering Rod Size 56/40
Model Street Demon
NAFTA Preference Criterion Code B
Primary Main Jet 89
Primary Pump Nozzle Size 40
Product Type Carburetor
Prop 65 (C, R or CR) CR
Prop 65 - Short Label prop65_warning.jpg
Prop 65 Yes/No Yes
SDR Required Flag N
Secondaries Vacuum
Secondary Main Jet 86
Secondary Type Vacuum
Step Up Spring Green
Supercharged Application No
Type Automotive
Usage Street/Hi-Performance
Vacuum Port Quantity 1 timed (spark); 2 full; 1 PCV
Vacuum Ports 1 timed (spark) port, 2 full, and 1 PCV port
WARNING CA Proposition 65 Yes
WARNING CA Proposition 65 Message WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

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Demon Carburetion 1903 Street Demon Carburetors

Product Information

  • Brand: Demon
  • Product Number: 1903
  • $457.97

The AAM Group™ Proposition 65
Proposition 65 warning graphic (For California Residents)
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov