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Product Summary

Universal Fit, 2-Barrel Carburetor Barrels, 500 CFM CFM

  • This 2 barrel carb is designed for maximum performance
  • All bore, throttle plate, venturi and critical sizes are within factory specifications
  • Has no vacuum or PCV holes and a 30cc accel pump for smoother off the corner performance
  • Being purpose built for short-track racing means this two barrel carb has a welded throttle lever and shaft
  • The throttle shaft hole is plugged to eliminate leaks and its stainless steel bypass holes make for a smooth idle

Key Specs

Carburetor Barrels2-Barrel
Fuel TypeGasoline
Choke TypeNo Choke
CFM Range500-599 CFM
CFM500 CFM

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Holley 0-80583-1 Details

Carb guru Keith Dorton designed this two barrel carb for maximum performance.  Purpose built for short-track racing means this two barrel carb has a welded throttle lever and shaft.  The lack of choke provisions provides smoother airflow.  Throttle shaft hole is plugged to eliminate leaks and its stainless stell bypass holes make for a smooth idle.  All bore, throttle plate, venturi and critical sizes are within factory specifications.
  • No vacuum or PCV holes
  • 30cc accel pump for smoother off the corner performance
  • Power valve blowout protection
  • Button head throttle plate screws with thread locker
  • Screw-in air bleeds for precise tuning
  • HP metering block for strnght
  • Maximum fuel flow factory flowed to ensure quality
  • Reusable fuel bowl screw gaskets

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 0-80583-1 Specifications

KEY SPECS
MFG. Part #0-80583-1
BrandHolley
Carburetor Barrels2-Barrel
Fuel TypeGasoline
Choke TypeNo Choke
CFM Range500-599 CFM
CFM500 CFM
Carburetor Flange Type2-Barrel 4-Bolt
FinishDichromate
Material TypeZinc
Secondary TypeNone
Fuel Inlet TypeSingle
Gasket(s) IncludedYes
New or RemanufacturedNew
Supercharged ApplicationNo
GENERAL
BoosterDown Leg
Bolt Hole Pattern5.160" x 5.625"
GTIN Code090127533543
Sold in QuantityEach