Quick Fuel Technology BD-780-VS Carburetor

Part Number
SS Series Carburetor; 780 cfm.; Super Street; Vacuum Secondary; All Aluminum Construction; Black Diamond Finish
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SS-Series - For the street enthusiast that prefers the advantages of billet aluminum components, the Super Street Series is your choice. These carburetors are equipped with an electric choke, changeable idle feed restrictions and high speed air bleeds for enhanced tuneability, and aluminum fuel bowls with sight glass windows. Billet aluminum metering blocks and throttle bodies are CNC precision machined to exacting tolerances, which eliminates porosity and increases strength. QFT(TM) engineered all aluminum main body is assigned U.S. patent number D555,668. All SS-Series carburetors are equipped with universal throttle levers to accommodate Ford A/T kick down, GM 700 R4 mounting holes, and ability to mount brackets for Chrysler vehicles.

BRAND: Quick Fuel Technology


  • 22-74 Primary Jet
  • 26-33 Hi Speed Bleed
  • 26-70 Idle Bleed
  • Holley Performance Emission Code 3: This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only 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. The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition and that are not registered and that may never be used on the street. 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
  • SS Series Carburetor
  • 18-2 Needle And Seat
  • Gas Fuel
  • 1 11/16 in. Throttle Bore Size
  • 25-65 Power Valve
  • SS Series Carburetor; 780 cfm.; Super Street; Vacuum Secondary; All Aluminum Construction; Black Diamond Finish;
  • 21-33/21-35 Pump Nozzle
  • 22-82 Secondary Jet


Billet ColorBlack
Booster TypeDown Leg
Carburetor TypeSS-Series
EmissionWithout EGR
Fuel System TypeCarbureted
Fuel TypeGasoline
High Speed Air Bleed33
Idle Air Bleed Size70
Primary Main Jet74
Primary Power Valve65
Primary Pump Nozzle Size33
Secondary Main Jet82
Secondary TypeVacuum
Supercharged ApplicationNo
Throttle Bore1.6875 in.
WARNING CA Proposition 65Yes
WARNING CA Proposition 65 MessageWARNING: Cancer and Reproductive Harm - www.P65Warning.ca.gov


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