500 CFM Factory Muscle Car Replacement Carburetor

1970-71, 340 Outboard Carburetor

PART# 0-4790

Suggested Retail: $458.95
Your Price: $412.95
Free Shipping on orders over $100*


Holley still offers original list number carburetors for highly collectible muscle cars. Over time these carburetors have been nearly impossible to find, but no longer. These are NEW nearly exact reproductions of the originals. List Number 0-4790 is the 500 CFM "Outboard" Six Pack Carburetor that Originally came on 1970-71 Chrysler 340 CID Engine Applications with an Automatic Transmission. Original Castings will have the O.E. Number 3577185.


  • Gold Dichromate finish for corrosion resistance and classic Holley looks
  • 500 CFM model 2300 outboard carburetor
  • Vacuum operated for seamless operation
  • Calibrated as a replacement for 1970-71 Chrysler 340 CID engines
  • Fuel Inlets for Original Factory Fuel Lines
  • Original List Number Stamped with Current Date Code
  • No choke for unobstructed airflow
  • Factory style metal throttle linkage
  • All O.E. Vacuum Hook-ups
  • 100% wet-flow tested by Holley technicians to assure it arrives ready to run!


BoosterDown Leg
Emission Code1
FinishGold Dichromate
Fuel InletSingle
Product TypeCarburetor
Supercharged ApplicationNo
Throttle Bore1.750 inch
WarningCalifornia Proposition 65

Tech Resources

Parts & Kits


This part is legal for use on Emissions Controlled Vehicles when used in accordance with the manufacturers application guide because it has a California Air Resources Board Executive Order number or is a direct or consolidated replacement part.

The following vehicles are considered Emissions Controlled Vehicles:

  • 1966 and newer U.S. manufactured California Certified vehicles
  • 1968 and newer U.S. manufactured Federally Certified vehicles
  • 1968 and newer Foreign manufactured vehicle
WARNING FOR 0-4790: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
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    *Free Shipping & Handling only offered to the continental US on orders over $100.

    Some parts are not legal for use in California or other states with similar regulations.