Holley HP carburetors have been the standard in racing carburetors for nearly two decades, powering everything from NASCAR to Saturday night racers. This 830 CFM 4150-style HP carb is race-ready out of the box, wet-flow tested, and calibrated for gasoline.
Specifications:
- CFM Rating: 830
- Model: 4150 (Square Bore)
- Barrels: 4
- Secondaries: Mechanical
- Fuel: Gasoline
- Body Finish: Plated, Gold Dichromate
- Material: Aluminum
- Fuel Inlet: Dual
- Choke: None
- Primary Power Valve: 6.5
- Throttle Bore: 1.688"
- Venturi Size: 1.561"
- Carburetor Use: Performance and Race
- Warning: California Proposition 65
- Warranty: Manufacturer's Limited 90 Day Warranty
- Part Number: 0-80509-2
Features a contoured venturi inlet for balanced airflow, screw-in air bleeds for precision tuning, dual 30cc accelerator pumps, dual feed fuel inlets, 4-corner idle control, progressive secondaries, and stainless steel throttle plates. Due to the dichromate plating process, finish color may vary naturally from carburetor to carburetor — this is normal and not a defect.
FAQ
What CFM rating does this carburetor have?
830 CFM.
What type of secondaries does it use?
Mechanical secondaries.
Is color variation in the gold dichromate finish normal?
Yes — natural variation from casting to casting is expected and not a cosmetic defect.
What fuel is this carburetor calibrated for?
Gasoline.
