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DEMON
650 CFM ROAD DEMON CARBURETOR
Mechanical Secondaries Down Leg
Part # RDA-650-MS
All new for Demon, the new aluminum Road Demon carburetors are showing a new lighter, sleeker look and calibrated for Street Rods and mildly modified Street Machines and light trucks, the Road Demon™ is an impressive performer. With a remarkably smooth choke tower design and patented air entries, the Road Demon™ offers extremely smooth operation with strong throttle response. The Road Demon™ has the standard Demon carburetor features: Cast metering-blocks with adjustable jets and four-corner idle, plus large capacity fuel bowls with patented sight glasses for tuning ease. Available in 650-850 cfm models, the Road Demon™ is perfect for all engine sizes. The Road Demon™ targets mild performance engines from 302 to 460 cid, and rated at 250-500 horsepower. Road Demons come in mechanical and vacuum secondary models which makes them ideal for daily drivers as well as weekend cruising for a wide range of vehicles
Features:
- All aluminum polished construction with die-cast 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
- Changeable idle, high-speed air bleeds & power valve restrictions for precise tuning
- New simple part numbering system: Start with RDA (Road Demon) Add the carburetor cfm size (650, 750, or 850) and then add the model suffix; MS (Mechanical Secondaries); VS (Vacuum Secondaries); AN (Annular Discharge Boosters)
| Barrels | 4 |
|---|---|
| Billet Color | Shiny |
| Booster | Down Leg |
| Brand | Demon |
| Carburetor Use | Street |
| CFM | 650 |
| Choke | Electric |
| Circuit | 2 |
| Condition | New |
| Emission Code | 3 |
| Finish | Shiny |
| Fuel | Gasoline |
| Fuel Inlet | Dual |
| Fuel System | Carbureted |
| High Speed Air Bleed | 31 |
| Idle Air Bleed Size | 70 |
| Marine Use | No |
| Material | Aluminum |
| Model | Road Demon |
| Primary Main Jet | 70 |
| Primary Power Valve | 6.5 |
| Primary Pump Nozzle Size | 31;31 |
| Product Type | Carburetor |
| Secondaries | Mechanical |
| Secondary Main Jet | 74 |
| Supercharged Application | No |
| Throttle Bore | 1.688 inch |
| Warranty | Limited 90 Day |
| UPC | 792898400832 |
| Part Number | RDA-650-MS |
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