Q-SERIES 650CFM DRAG CARBURETOR,BLACK DIAMOND

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.