Quick Fuel Technology SQ-850 Carburetor

Part Number
Street Q Series Carburetor; 850 cfm.; Mechanical Secondary; Polished Finish
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Street Q-Series - The SQ-Series is the ultimate street/strip performance carburetor. It is constructed of lightweight die-cast aluminum components and provides many of the performance features found in the Q-Series carburetors, including changeable bleeds and 4-corner idle. The Street Q includes cast aluminum, dual metering blocks and

BRAND: Quick Fuel Technology


  • Street Q Series Carburetor
  • Street Q Series Carburetor; 850 cfm.; Mechanical Secondary; Polished Finish;
  • 22-84 Secondary Jet
  • 1 3/4 in. Throttle Bore Size
  • 18-3 Needle And Gas
  • 21-33 Pump Nozzle
  • 26-70 Inter. 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
  • 26-32 Hi Speed Bleed
  • 26-70 Idle Bleed
  • 22-76 Primary Jet
  • 25-45 Power Valve


Billet ColorDiecast-No Billet
Booster TypeDown Leg
Carburetor TypeStreet-Q Series
EmissionWithout EGR
Fuel System TypeCarbureted
Fuel TypeGasoline
High Speed Air Bleed33
Idle Air Bleed Size70
Primary Main Jet76
Primary Power Valve45
Primary Pump Nozzle Size33
Secondary Main Jet84
Secondary TypeMechanical
Supercharged ApplicationNo
Throttle Bore1.750 in.
WARNING CA Proposition 65Yes
WARNING CA Proposition 65 MessageWARNING: Cancer and Reproductive Harm - www.P65Warning.ca.gov


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