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Holley 0-80500 Street Avenger Carburetor

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#425080500

Holley 0-80500 Street Avenger Carburetor

Vibratory polished for good looks
Optimized street calibration that works-out-of-the-box
Factory preset electric choke for easy startups (Range identified and restricted for easy no trouble adjustment)

$538.95

/each

Factory Shipped

$599.95

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Product Summary

2-Barrel Carburetor Barrels, Gasoline Fuel Type

Vibratory polished for good looks
Optimized street calibration that works-out-of-the-box
Factory preset electric choke for easy startups (Range identified and restricted for easy no trouble adjustment)
Built in No Trouble fuel inlet filter
Street Avenger fuel metering system provides precise fuel control for great low end torque and awesome acceleration

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Key Specs

Carburetor Barrels	2-Barrel
Fuel Type	Gasoline
Choke Type	Electric
CFM Range	500-599 CFM
CFM	500 CFM

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Holley 0-80500 Details

Street Avenger carburetors are known to bolt on right out of the box. The 500 CFM Street Avenger carburetor has great features such as optimized street calibrations; three vacuum ports for all necessary vacuum accessories; factory preset electric choke for easy startups; built-in fuel filters; and an included 3/8" fuel line connection so there are no unnecessary trips back to the parts store.

The Avenger series are the first carburetors to have a limited lifetime warranty. With a great warranty like that and the included comprehensive instruction manual, you can count on years of worry free service.
Features:
Vibratory polished for good looks
Optimized street calibration that works-out-of-the-box
Factory preset electric choke for easy startups (Range identified and restricted for easy no trouble adjustment)
Built in No Trouble fuel inlet filter
Street Avenger fuel metering system provides precise fuel control for great low end torque and awesome acceleration
Compatible with GM, Chrysler, and Ford A/T kickdown linkage. Additional parts may be required.
Gen IV No Trouble power valve
Three vacuum ports (1 PCV/Brake, 1 timed spark, 1 full)
Limited lifetime warranty - Guaranteed to be free from defects in material and workmanship for the life of the product!
100% wet-flow tested by Holley technicians to assure it arrives ready to run!

Specs

Barrel Quantity: 2
Barrels: 2
Body Color: Polished Aluminum
Body Finish: Polished
Body Material: Aluminum
Booster: Straight
Booster Design: Straight
Brand: Holley
Carburetor Material: Aluminum
Carburetor Use: Street
Category: Air and Fuel Delivery
CFM Rating: 500
Choke: Electric
Choke Type: Electric
Color: Polished Aluminum
Condition: New
Cubic Feet Per Minute Rating: 500
Emission Code: 3
Finish: Polished
Flange Shape: Rectangular
Flange Type: 2300 2-BBL
Fuel: Gasoline
Fuel Type: Gasoline
Grade Type: Performance
Linkage Attached: Yes
Marine Approved: No
Material: Aluminum
Model: 2300
Mounting Hole Quantity: 4
Part Type: Carburetor
Primary Jet Diameter: 73
Primary Main Jet Size: 73
Primary Power Valve: 5.0
Primary Pump Nozzle Size: 28
Product Type: Carburetor
Secondary Barrel Type: None
Spacer Included: No
Sub Category: Carburetion
Supercharger Compatible: No
Vacuum Ports: 1 timed (spark) port, 1 full, and 1 PCV port
Warning: California Proposition 65
Warranty: Manufacturer's Limited Lifetime Warranty

Rebates

Holley October Promo 10% Off Select Parts Sale

Holley's October Promo 10% Off Select Parts Sale, running from September 28, 2026, through November 1, 2026. For a limited time, customers can save up to 10% off on select Holley parts, making it the perfect opportunity to upgrade your ride with premium Holley branded parts including Holley, Brawler, Quick Fuel, Leg Wheels, Rev Wheels, Rocket Racing, Flowtech, Edge, Racequip, Apr and Dinan. Purchases must be made between September 28, 2026, through November 1, 2026. This limited-time offer applies to qualifying Holley branded parts purchased during the promotional period. Following the promotion, these parts will revert back to standard pricing.

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.

CA Prop 65

CARB warning

Holley 0-80500 Specifications

KEY SPECS
MFG. Part #	0-80500
Brand	Holley
Carburetor Barrels	2-Barrel
Fuel Type	Gasoline
Choke Type	Electric
CFM Range	500-599 CFM
CFM	500 CFM
Carburetor Flange Type	2-Barrel 4-Bolt
Finish	Polished
Material Type	Aluminum
Color	Polished
Secondary Type	None
Fuel Inlet Type	Single
Gasket(s) Included	Yes
New or Remanufactured	New
Throttle Linkage Type	Universal
Supercharged Application	No

GENERAL
Inlet Fitting	3/8" fuel line connection included
Vacuum Ports	1 timed (spark) port, 1 full, and 1 PCV port
GTIN Code	090127719169
Sold in Quantity	Each

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