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625 CFM Street Demon Carburetor-Factory Refurbished

Vacuum secondaries and electric choke Shadow Black ceramic finish Black composite fuel bowl

Part # FR-1901BK Be the first to write a review

625 CFM Street Demon Carburetor-Factory Refurbished

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3

Emissions

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

See Emissions Details
This is an official Holley Performance Factory Refurbished Carburetor.

Features:

  • Shadow Black ceramic coated finish acts as a protective barrier to corrosion and heat
  • Designed for use on most stock to mildly modified V8s
  • Developed from the ground up with smooth styling - patented timeless design fits modern and traditionally themed vehicles (Patent #: US D648,746 S)
  • One piece airhorn is easy to clean and maintain
  • Aerospace Composite fuel bowl offers significant heat insulating benefits over aluminum fuel bowls - keeps fuel up to 20° cooler for optimum performance with modern fuels
  • Electric Choke Management means easy cold starts
  • Dual mounting bolt pattern - fits most aftermarket spread or square bore intake manifolds without an adapter
  • Integrated fuel bowl/main body design with gasket above fuel level and no plugged passages to eliminate all potential leak paths
  • Small 1-3/8” (625 cfm) primary throttle bores combined with proven Triple-Stack boosters deliver amazingly crisp throttle response and drivability, superior fuel atomization, and improved fuel economy
  • Goggle Valve Secondary (GVS™) throttle plate (Patent # D677755) delivers over twice the air flow of the primary bores for power you can hear and feel
  • GVS™ makes total air flow of 625 CFM while maintaining the crisp throttle response delivered by small primary bores
  • Secondary air valve control - torsion spring valve control/adjustment permits seamless primary to secondary throttle response regardless of the throttle opening rate (unique contoured profile developed for better cylinder to cylinder fuel distribution)
  • 2 Stage metering rods are easily accessible without carburetor disassembly or removal
  • Single fuel inlet for simple installation
  • Integrated 700R4/200R4 transmission kickdown cable mounting location as well as Ford A/T kickdown for proper shifts
  • Patent pending mechanical design
  • 625 CFM specific calibration kit available for tuning and altitude adjustments
  • Available TPS kit allows use with 4L60 and 4L80 transmissions

About Demon

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

Barrels4
BoosterTriple Stack
Brand Demon
CFM625
ChokeElectric
ConditionFactory Refurbished
Emission Code3
FinishBlack
FuelGasoline
Fuel InletSingle
Marine UseNo
MaterialAluminum / Composite
Metering Rod Size60/52
ModelStreet Demon
Primary Main Jet80
Primary Pump Nozzle Size31
Product TypeFactory Refurbished Carburetor
SecondariesVacuum
Secondary Main Jet80
Step up SpringGreen
Supercharged ApplicationNo
Vacuum Ports1 timed (spark) port, 2 full, and 1 PCV port
WarrantySold As-is
UPC090127718780
Part NumberFR-1901BK
3

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
We have limited stock on this part and on rare occasion receive more orders that can be filled.  If the part is oversold, backorders will be canceled and all payments will be refunded.
Sold As-is: See Details
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    *Free Shipping & Handling only offered to the contiguous US on orders over $149, excludes clearance parts and oversized packages.

    Some parts are not legal for use in California or other states with similar regulations.