Holley's Classic HP carburetor has been the standard for square-bore racing carburetors for nearly two decades, powering everything from Saturday-night racers to the biggest names in NASCAR. It's calibrated for gasoline and wet-flow tested by Holley technicians so it's race-ready right out of the box.
Specifications:
- CFM: 950
- Model: 4150
- Secondaries: Mechanical
- Fuel Inlet: Dual feed
- Finish: Gold dichromate
- Material: Aluminum
- Primary/Secondary Main Jet: 79
- Primary/Secondary Power Valve: 6.5
- Throttle Bore: 1.750 inch
- Venturi Size: 1.376 inch
- Part Number: 0-80496-2
Due to natural variation in the dichromate plating process, finish color may vary slightly from casting to casting and carburetor to carburetor — this is normal and not a cosmetic defect.
FAQ
What CFM rating is the 0-80496-2 carburetor?
950 CFM.
Does the finish color vary between units?
Yes, natural variation in the gold dichromate plating process can cause slight color differences between castings; this is normal, not a defect.
What type of secondaries does this carburetor use?
Mechanical secondaries.
Is this carburetor calibrated for a specific fuel?
Yes, it is calibrated for gasoline.

