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DEMON CARBURETION Delivers Unparalleled Performance and Drivability
 
Speed Demon
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The walls and contours of the choke tower are smooth and free-flowing, designed to maximize air flow.
 
The new Idle-Eze™ Baseplate eliminates the need to drill holes in your carburetor's butterflies, or other modifications to obtain the proper idle speed and transition response. It provides a quick and easy way to acquire the best idle quality, throttle response, and driveability.
 
Valve is easily accessed with a screwdriver through the air cleaner stud hole. Can be fine-tuned after the throttle shaft position has been set.
 
CNC-machined metering blocks from billet aluminum prevent porosity and variations in the metering circuits

The Speed Demon™ series is the most formidable performance street carburetor available today. It features the most advanced design manufacturing processes that provides street enthusiasts with racing carburetor technology in a very driveable package.

The Speed Demon™ line offers a wide range of sizes and in VE-series (vacuum secondaries, electric choke) or twin-squirter (mechanical secondaries) designs. Across the range of sizes, from 575 cfm to 850 cfm, the Speed Demons deliver balanced, high-velocity airflow and exceptional fuel metering capacity to match the fuel requirements most street engines.

A Speed Demon™ carburetor is ideal for muscle cars, stock rebuilds, tow trucks, mild performance applications and crate motors. They are designed for engines with cam profiles between 220 and 240 degrees duration at 0.050".

 

NEW Competition Speed Demons
The new Speed Demon Competition (750-850 cfm) is for racers wishing to use the Speed Demon in NHRA classes where original equipment-style carburetors with choke horn are required (Competition Eliminator - Altered/Dragster, Super Stock - Modified). These carburetors provide race-tuning in the industry's most advanced choke hornequipped carburetor. Competition Speed Demons include adjustable air bleeds, thinline throttle shafts with low drag stainless steel button-style butterfly fasteners and Race Demon 5-emulsion hole billet metering blocks for optimum tuning capabilities.

 

 

2-Barrel Road Demons
2-Barrel Race and Race/RS Demons
Speed Demon
390/750 Check Legal
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