Features:

• All aluminum polished construction with billet 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
• Billet Baseplate with Idle-Eze™ allows precision fine tuning of the idle speed resulting in a smoother transition from off-idle
• New simple part numbering system: Start with SPD (Speed 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)

About Demon

Get classic modular performance when you shop for Demon carburetors at Holley.com. We offer numerous models for countless applications.

This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) 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

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