BRAND NEW HOLLEY 850 CFM ALUMINUM DOUBLE PUMPER CARBURETOR, GOLD DICHROMATE, MANUAL CHOKE, MECHANICAL SECONDARIES, COMPATIBLE WITH GASOLINE (HOLLEY PART #0-4781C).
HOLLEY DOUBLE PUMPER CARBURETORS ARE A PERFECT PERFORMANCE UPGRADE FOR HOT STREET CARS AND RACE VEHICLES. DOUBLE PUMPER CARBURETORS ARE AN AMERICAN ICON WHEN IT COMES TO PERFORMANCE CARBURETORS. FROM THEIR ROOTS AS THE PREMIER CARBURETOR ON MANY FACTORY MUSCLE CARS TO POWERING THOUSANDS OF VEHICLES ACROSS THE FINISH LINE, THE DOUBLE PUMPER IS A GREAT CHOICE WHETHER YOU ARE BURNING UP THE STREET OR THE QUARTER MILE.
THE DOUBLE PUMPER IS DESIGNED FOR USE ON LIGHTWEIGHT VEHICLES WITH A MANUAL TRANSMISSION OR AN AUTOMATIC TRANSMISSION WITH A HIGH STALL AND LOW REAR END GEARS. THE DOUBLE PUMPER IS NOW AVAILABLE IN AN ALUMINUM CONSTRUCTION AND FEATURES DUAL ACCELERATOR PUMPS FOR ADDITIONAL FUEL UNDER INITIAL ACCELERATION; MECHANICAL SECONDARIES FOR GREAT PERFORMANCE; DUAL FEED FUEL INLETS FOR CONSTANT HIGH VOLUME FUEL DELIVERY AND A MANUAL CHOKE FOR EASY CONTROL OF ENGINE WARM UP.
DO NOT TRUST YOUR PERFORMANCE TO JUST ANYONE, HOLLEY IS THE ONLY MODULAR CARBURETOR COMPANY THAT HAS BEEN IN BUSINESS FOR OVER 100 YEARS AND HAS POWERED EVERY NASCAR CHAMPION SINCE THE 1960S.
NOTE: THIS MODEL OF CARBURETOR HAS THE SQUARE BORE FLANGE BOLT PATTERN. IT CAN REPLACE HOLLEY, EDELBROCK, CARTER AFB, AND AUTOLITE STYLE CARBURETORS WITH 5 3/16" X 5 5/8" BOLT PATTERN. IF YOU HAVE A SPREADBORE STYLE INTAKE MANIFOLD, YOU WILL NEED AN ADAPTER TO INSTALL THIS CARBURETOR. SIMILAR TO THE MR. GASKET #1932.
FEATURES:
GOLD DICHROMATE FINISH FOR CORROSION RESISTANCE AND CLASSIC HOLLEY LOOKS
OPTIMIZED STREET/STRIP CALIBRATION THAT WORKS OUT-OF-THE-BOX
MANUAL CHOKE (CABLE DRIVEN, HAND OPERATED) FOR PRECISE COLD START CONTROL
MECHANICAL SECONDARIES FOR AWESOME TIRE TURNING PERFORMANCE
4 CORNER IDLE ALLOWS YOU TO PRECISELY CONTROL YOUR IDLE SYSTEM
DUAL ACCELERATOR PUMPS FOR ADDITIONAL FUEL UNDER INITIAL ACCELERATION
DUAL FEED FUEL INLETS FOR CONSTANT HIGH VOLUME FUEL DELIVERY
INTENDED FOR LIGHTWEIGHT VEHICLES W/ MANUAL TRANS OR AUTOMATICS WITH HIGH STALL & LOW GEARING
100% WET-FLOW TESTED BY HOLLEY TECHNICIANS TO ASSURE IT ARRIVES READY TO RUN!
SPECS:
BARRELS: 4
BOOSTER: DOWN LEG
BRAND: HOLLEY
CFM: 850
CHOKE: MANUAL
FINISH: GOLD DICHROMATE
FUEL: GASOLINE
FUEL INLET: DUAL
MARINE USE: NO
MATERIAL: ALUMINUM
MODEL: 4150
PRIMARY MAIN JET: 80
PRIMARY POWER VALVE: 6.5
PRIMARY PUMP NOZZLE SIZE: 31
PRODUCT TYPE: 4150 MODEL CARBURETOR
SECONDARIES: MECHANICAL
SECONDARY MAIN JET: 80
SECONDARY POWER VALVE: 6.5
SECONDARY PUMP NOZZLE SIZE: 31
SUPERCHARGED APPLICATION: NO
THROTTLE BORE: 1.750 INCH
VACUUM PORTS: 1 TIMED (SPARK) PORT, 1 FULL, AND 1 PCV PORT
YOU CAN VIEW AND DOWNLOAD THE COMPLETE ASSEMBLY INSTRUCTION BOOKLET HERE.
