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Q-SERIES 650CFM DRAG CARBURETOR,BLACK DIAMOND

Q-SERIES 650CFM DRAG CARBURETOR,BLACK DIAMOND

SKU:QFT BDQ-650

Regular price $979.95
Regular price Sale price $979.95
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BRAND NEW HOLLEY QUICK FUEL Q SERIES CARBURETOR, BLACK DIAMOND, 650 CFM, MECHANICAL SECONDARIES, COMPATIBLE WITH 4150 MODELS

Q-SERIES CARBURETORS ARE PURPOSE-BUILT FOR THE DRAGSTRIP. TO COMBAT THE G FORCE EXPERIENCED DURING HARD LAUNCHES, THESE CARBS ARE EQUIPPED WITH NOTCHED FLOATS & SECONDARY JET EXTENSIONS. HIGH-FLOW ALUMINUM MAIN BODY FEATURES RECESSED AIR BLEED CAVITIES FOR IMPROVED AIR FLOW. DIE-CAST VENTURI ARE MACHINED TO EXACTING TOLERANCES FOR OUTSTANDING THROTTLE RESPONSE.

BILLET METERING BLOCKS ENSURE A UNIFORM FUEL CURVE, WHILE THROTTLE-BODIES ENHANCE DURABILITY. QFT QUICKLINK SYSTEM MAKES ADJUSTING THE SECONDARIES EASY ON MODELS EQUIPPED WITH MECHANICAL SECONDARIES. THE Q-SERIES IS OUR MOST COMPREHENSIVE LINE OF CARBURETORS.

NOTE: THIS CARBURETOR HAS A SQUARE BORE FLANGE BOLT PATTERN. REPLACES HOLLEY, EDELBROCK, CARTER AFB, AND AUTOLITE STYLE CARBURETORS WITH 5 3/16" X 5 5/8" BOLT PATTERN. SPREADBORE STYLE INTAKE MANIFOLDS NEED AN ADAPTER TO INSTALL THIS CARBURETOR, LIKE THE MR. GASKET #1932.

FEATURES

  • LIGHTWEIGHT ALUMINUM MAIN BODY
  • ALUMINUM FUEL BOWLS WITH DUAL SIGHT GLASS WINDOWS
  • BILLET METERING BLOCKS WITH 4-CORNER IDLE SYSTEM
  • CHANGEABLE IDLE FEED & POWER VALVE CHANNEL RESTRICTIONS
  • BILLET ALUMINUM THROTTLE BODY PROVIDES EXCEPTIONAL PRECISION & STRENGTH
  • PTFE COATED & SEALED SHAFTS THAT HAVE BEEN SLABBED FOR ADDED AIR FLOW

SPECS:

  • BARRELS: 4
  • BILLET COLOR: BLACK
  • BOOSTER: DOWN LEG
  • CARBURETOR USE: PERFORMANCE & RACE
  • CFM: 650
  • CHOKE: NONE
  • CIRCUIT: 2
  • FINISH: BLACK
  • FUEL: GASOLINE
  • FUEL SYSTEM: CARBURETED
  • HIGH SPEED AIR BLEED: 31
  • IDLE AIR BLEED SIZE: 73
  • MATERIAL: ALUMINUM
  • PRIMARY MAIN JET: 68
  • PRIMARY POWER VALVE: 45
  • PRIMARY PUMP NOZZLE SIZE: 31
  • PRODUCT TYPE: CARBURETOR
  • SECONDARIES: MECHANICAL
  • SECONDARY MAIN JET: 76
  • SUPERCHARGED APPLICATION: NO
  • THROTTLE BORE: 1-11/16"

YOU CAN VIEW AND DOWNLOAD THE COMPLETE ASSEMBLY INSTRUCTION BOOKLETS FOR THIS CARBURETOR HERE.