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Product Summary

Universal Fit, 4-Barrel Carburetor Barrels, 750 CFM CFM

  • Has 1 timed (spark) port, 1 full vacuum, and 1 PCV port
  • Features dual metering blocks, center hung floats, 4-corner idle, and dual fuel inlets
  • It is intended for lightweight vehicles w/ manual trans or automatics with high stall & low gearing
  • This four barrel carburetors dual accelerator pumps provide additional fuel under initial acceleration
  • Provides unmatched performance in lightweight vehicles and vehicles with manual transmissions or low gearing

Key Specs

Carburetor Barrels4-Barrel
Fuel TypeGasoline
Choke TypeManual
CFM Range700-799 CFM
CFM750 CFM

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Holley 0-4779C Details

Top off your your engine with an American icon - the Holley Model 4150 Double Pumper. As a staple on hot street cars and race vehicles, this four barrel carburetors dual accelerator pumps provide additional fuel under initial acceleration for awesome tire-turning performance in lighweight vehicles and vehicles with manual transmissions or low gearing. Plus, with mechanical secondaries, your foot directly controls the opening of the secondary throttle blades.

With features like dual metering blocks, center hung floats, 4-corner idle, and dual fuel inlets, it's no wonder why Holley is #1 in performance fuel delivery.

  • Mechanical secondaries
  • Dual accelerator pumps
  • Manual choke
  • Four corner idle
  • Dual feed fuel inlet
  • Center hung floats
  • 1 timed (spark) port, 1 full vacuum, and 1 PCV port
  • Intended for lightweight vehicles w/ manual trans or automatics with high stall & low gearing

Charts

CARB Warning

For race/ off road use or for use on pre-1966 vehicles.

Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway, or if installed in vehicles model-year 1965 or older; motorcycles model-year 1977 or older; or off-highway recreational vehicles (such as off-road motorcycles and all-terrain vehicles) model-year 1996 and older. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.

Holley 0-4779C Specifications

KEY SPECS
MFG. Part #0-4779C
BrandHolley
Carburetor Barrels4-Barrel
Fuel TypeGasoline
Choke TypeManual
CFM Range700-799 CFM
CFM750 CFM
Carburetor Flange Type4-Barrel Square Bore
FinishDichromate
Material TypeAluminum
Secondary TypeMechanical
Fuel Inlet TypeDual
Gasket(s) IncludedNo
New or RemanufacturedNew
Supercharged ApplicationNo
GENERAL
BoosterDown Leg
Bolt Hole Pattern5.160" x 5.625"
GTIN Code090127471067
Sold in QuantityEach