BRAND NEW HOLLEY ULTRA DOUBLE PUMPER CARBURETOR, BLACK BILLET & ALUMINUM FINISH, 650 CFM, ELECTRIC CHOKE, MECHANICAL SECONDARIES, COMPATIBLE WITH 4150 MODEL
THE NEW ULTRA DOUBLE PUMPER CARBURETORS HAVE AN ENHANCED FUEL CURVE FOR OPTIMUM PERFORMANCE, WITH MANY MORE FEATURES SUCH AS ALUMINUM CONSTRUCTION, ANODIZED BILLET ALUMINUM METERING BLOCKS AND BASE PLATE, 4 CORNER IDLE FOR PRECISE IDLE CONTROL & DUAL ACCELERATOR PUMPS FOR ADDITIONAL FUEL UNDER INITIAL ACCELERATION
MECHANICAL SECONDARIES FOR GREAT PERFORMANCE, CLEAR FUEL LEVEL SIGHT PLUGS FOR EASY, NO MESS FUEL LEVEL ADJUSTMENTS. FОRD AUTOMATIC TRANSMISSION KICKDOWN FOR USE ON POPULAR FОRD TRANSMISSIONS; FOUR VACUUM PORTS FOR ALL NECESSARY VACUUM ACCESSORIES, & FACTORY PRE-SET ELECTRIC CHOKE FOR EASY, FAST COLD START-UPS.
NOTE: THIS CARBURETOR HAS SQUARE BORE FLANGE BOLT PATTERN. IT REPLACES HOLLEY, EDELBROCK, CARTER AFB & AUTOLITE STYLE CARBURETORS WITH 5 3/16" X 5 5/8" BOLT PATTERN. IF YOU HAVE A SPREADBORE STYLE INTAKE MANIFOLD, YOU NEED AN ADAPTER TO INSTALL THIS CARBURETOR, SIMILAR TO MR. GASKET #1932.
FEATURES:
SHINY WITH BLACK ANODIZED BILLET ALUMINUM METERING BLOCKS/BASE PLATE
OPTIMIZED STREET/STRIP CALIBRATION THAT WORKS OUT OF THE BOX
FACTORY PRESET ELECTRIC CHOKE FOR EASY STARTUPS
MECHANICAL SECONDARIES FOR AWESOME TIRE TURNING PERFORMANCE
4 CORNER IDLE ALLOWS YOU TO PRECISELY CONTROL YOUR IDLE SYSTEM
BUILT IN, CLEAR FUEL LEVEL SIGHT GLASS FOR EASY, NO MESS FUEL LEVEL ADJUSTMENTS
ALUMINUM CONSTRUCTION FOR A 43% WEIGHT SAVINGS
COMPATIBLE WITH GМ, СHRYSLER & FОRD A/T KICKDOWN LINKAGE
INTENDED FOR LIGHTWEIGHT VEHICLES WITH MANUAL TRANS OR AUTO WITH HIGH STALL & LOW GEARING
100% WET-FLOW TESTED BY HOLLEY TECHNICIANS TO ASSURE IT ARRIVES READY TO RUN!
SPECS:
BARRELS: 4
BILLET COLOR: BLACK
BOOSTER: STRAIGHT
BRAND: HOLLEY
CARBURETOR USE: PERFORMANCE AND RACE
CFM: 650
CHOKE: ELECTRIC
FINISH: SHINY
FUEL: GASOLINE
FUEL INLET:V DUAL
MATERIAL: ALUMINUM
MODEL: 4150
PRIMARY MAIN JET: 63
PRIMARY POWER VALVE: 6.5
PRIMARY PUMP NOZZLE SIZE: 28
PRODUCT TYPE: CARBURETOR
SECONDARIES: MECHANICAL
SECONDARY MAIN JET: 73
SECONDARY PUMP NOZZLE SIZE: 31
SUPERCHARGED APPLICATION: NO
THROTTLE BORE: 1.688 INCH
VACUUM PORTS: 1 TIMED (SPARK) PORT, 2 FULL & 1 PCV PORT
YOU CAN VIEW AND DOWNLOAD THE COMPLETE ASSEMBLY INSTRUCTION BOOKLETS FOR THIS CARBURETOR HERE.