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Quick Fuel Q-850K

Q-Series 850cfm Carburetor Kit

Quick Fuel Q-850K
Easy Kit

793-Q-850K

made in usa
jegs shipping
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Quick Fuel Q-850K Q-Series 850cfm Carburetor Kit $753.99
Q-Series 850cfm Carburetor Kit

Quick Fuel Q-850K Details

Mechanical Secondary Carburetors

Kit includes:

  • Quick Fuel Q-Series 850cfm Drag Race Carb
  • JEGS Dual Inlet Fuel Line Kit #555-100822
  • JEGS Fuel Pressure Gauge 15 psi #555-41010

  • Specifications:

    Manufacturer's Part Number:
    Q-850K


    Performance & Value

    Main Body
  • All aluminum (upgrade from existing designs)
  • Tumbled finish for a high luster that protects against contaminants
  • Recessed air bleeds out of air stream to improve airflow
  • Raised accelerator pump squirter nozzle boss also out of air stream to reduce the possibility of high-speed pullover or "dribbling"

    Metering Blocks
  • CNC-machined from solid aluminum
  • 4 stages of emulsion help break up solid fuel for leaner air/fuel sooner & excellent throttle response
  • Stainless steel idle mixture screw with a superior nylon seal that won't deteriorate over time like cork
  • Machined internal passages (vs. die-cast cored holes) ensure consistent performance and almost no chance of porosity holes cross-talking between passages
  • 4-corner idle system for fine-tuning even with extremely long duration camshafts

    Throttle Body
  • CNC-machined from solid aluminum for a more stable platform than die-cast equivalent
  • PTFE-coated throttle shafts with PTFE ribbon bearings reduce rotational resistance and nearly eliminate the use of the throttle body shaft hole as a bushing (great protection in dirt environments)
  • Mechanical secondary carbs have the Quick Link Secondary Opening System that enables rate adjustment simply by changing links (available opening rates: 40%, 60%, 1:1)
  • Mechanical secondary carbs also have adjustable secondary airflow cam brackets that allow better idle tuning with race-oriented camshaft profiles

    Fuel Bowls
  • Die-cast aluminum for cooler fuel resulting in fewer fuel percolation problems
  • Sight glass to monitor fuel level without risking fuel spillage
  • All standard service replacement parts accepted
  • Floats based on application, i.e. Drag Race Carbs have notched floats & secondary jet extensions

    Vacuum Secondary Carburetors
  • Exclusive billet secondary housing cover
  • Cover has an integrated screw that allows timing & opening rate adjustments with just a simple turn
  • Adjustable housing offers much finer tuning to dial-in application



    Q-Series Mechanical Secondary Carburetor Kits include:
  • Quick Fuel Q-Series Drag Race Carb (650, 750, 850, 950, or 1050 cfm)
  • JEGS Dual Inlet Fuel Line Kit #555-100822
  • JEGS Fuel Pressure Gauge 15 psi #555-41010

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