With the airflow dynamics and fuel-metering accuracy of a racing unit, the Speed Demon is the most formidable street/strip carburetor on the market today.
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Demon Banner Speed Demon Carburetor
Click on the logo to visit Barry Grant’s Demon Carburetion Pages.

     Barry Grant requires that none of their dealers or distributors can advertise their products for less then what their wholesale price is. Our Barry Grant Price Sheet adheres to this policy.
| Demon Product List | Race Demon | Speed Demon | Road Demon | King Demon | Demon Price Sheet |
| 750 Speed Demon Pictures | 850 Speed Demon Pictures | 825 Race Demon Pictures |

Speed Demon      Speed Demon is aimed at the hot rodder with 350 - 500 HP high-performance engine and an eye on the street/strip scene. The carburetors are sized at 650, 750, and 850 CFM. The Speed Demon is a general performance entry-level four-barrel carburetor. It is designed to replace most standard square-flange carburetors. These are not race carburetors.
With the airflow dynamics and fuel-metering accuracy of a racing unit, the Speed Demon is the most formidable street/strip carburetor on the market today. Available in either vacuum secondary or twin-squirter specifications, it boast balanced, high velocity rates of air flow with a matched booster response and fuel curve.

Speed Demon Features:
• Billet Baseplate
• Billet Metering Blocks
• Four-Corner Idle Circuitry
• Large Capacity Float Bowls
• Large Glass Float-Level Sight Windows
• Power Valve Backfire Protection
• Integral Hi-Flow Choke Housing
• Available in Mechanical or with Vacuum Secondaries
• Quick-Change Vacuum Secondary Spring Cover
• “Quick Release” Non-stick Gaskets

P/N Model
1282020 575, stock and mild 283 to 390 cid. (Mechanical)
1282010 650, 289 to 327 cid mild 350 to 400 cid.
1402010 750, 350 to 427 cid & mild 427 to 455 cid.
1563010 850, 460 & larger cid engines.
1563020 850, 460 & larger cid engines. (Annular)

P/N Model
1282020VE 575, stock and mild 283 to 390 cid.
1282010VE 650, 289 to 327 cid & mild 350 to 400 cid.
1402010VE 750, 350 to 427 cid & mild 427 to 455 cid.
1563010VE 850, 460 & larger cid engines.
1563020VE 850, 460 & larger cid engines. (Annular)

P/N Model
1402010DR 750 Competition - NHRQ classes where original equipment-style carburetors with choke horn are required (Competition Eliminator - Altered/Dragster, Super Stock - Modified).
1563020DR 850 Competition - NHRQ classes where original equipment-style carburetors with choke horn are required (Competition Eliminator - Altered/Dragster, Super Stock - Modified).

P/N Model
R1282010 Remanufactured 650
R1282010VE Remanufactured 650 vac
R1402010 Remanufactured 750
R1402010VE Remanufactured 750 vac
R1563010 Remanufactured 850
R1563010VE Remanufactured 850 vac