Holley 2300 500 CFM NASCAR Carburetor
SKU: HOL0-80583-1
The Holley Keith Dorton Series Model 2300 carburetor is a 2-barrel, 500 CFM carburetor designed for gasoline applications. It features a single fuel inlet, a choke-free design for maximum airflow, a 1.688-inch throttle bore, a 1.376-inch venturi size, and a 3 x 2 outboard configuration for circle track racing performance.
Intended for short circle track racing, the sizes of throttle bore, venturi, booster diameter, throttle plate thickness, and throttle shaft diameter have not changed. They comply and are fully consistent with the technical gauging now in use. Venturi casting rings are reamed to legal dimensions for more consistent air flow.
Holley 2300 500 CFM NASCAR Carburetor Features:
- Gold Dichromate Finish For Corrosion Resistance w/Classic Look
- Welded Throttle Lever
- Power Valve Blow-Out Protection
- 100% Wet Flow Tested By Holley Technicians
- Arrives Ready To Run
- Calibrated Specifically For Circle Track Use
- No Choke For Unobstructed Airflow
- 30CC Accelerator Pump For Adding Fuel Under Initial Acceleration
- HP Metering Block For Improved Fuel Flow
- Screw-In Air Bleeds For Precision Tuning Capabilities
Summary:
The Holley 0-80583-1 2300 Series 500 CFM NASCAR carburetor is purpose-built for circle track racing, delivering proven performance and out-of-the-box reliability. Based on the highly successful 4412 platform, this 2-barrel carburetor features a no-choke design for improved airflow, an HP metering block for enhanced fuel delivery, and a 30cc accelerator pump for crisp throttle response. Additional performance upgrades include screw-in air bleeds for precise tuning, a welded throttle lever, stainless steel throttle plates, and power valve blowout protection. Each carburetor is 100% wet-flow tested and specifically calibrated by Holley technicians for circle track applications, helping racers spend less time tuning and more time competing. The gold dichromate finish provides corrosion resistance while maintaining a classic racing appearance.
Additional Information: