The Holley Ultra XP is an Xtreme Performance race carburetor built up to 38% lighter than Holley's traditional race carbs, with 20% more fuel capacity and dozens of refinements for competition use. This unit is tumble-polished to a natural aluminum shine with black anodized billet metering blocks and base plate, and it runs dual 30cc accelerator pumps to deliver the right amount of fuel from idle through full throttle.
Specifications:
- CFM: 850
- Carburetor Use: Professional Race
- Fuel Type: Gasoline
- Secondaries: Mechanical
- Finish: Shiny with Black Billet
- Body Finish: Polished
- Flange Type: Square/4150
- Material: Aluminum
- Model: 4150
- Fuel Inlet: Dual
- Booster Design: Downleg
- Circuit: 2
- Primary Main Jet: 84
- Primary Power Valve: 4.5
- Primary Pump Nozzle Size: 32
- Secondary Main Jet: 84
- Secondary Pump Nozzle Size: 32
- Throttle Bore: 1.750 inch
- Venturi Size: 1.563 inch
- Warranty: Manufacturer's Limited 90 Day Warranty
- Part Number: 0-80804BKX
This carburetor uses a dual mounting-hole pattern, allowing installation on manifolds machined for either a 4150 square-bore or a Dominator-style large-flange carburetor.
FAQ
What CFM rating does this Holley Ultra XP carburetor have?
This Ultra XP carburetor is rated at 850 CFM.
What type of secondaries does it use?
It uses mechanical secondaries for maximum off-the-line response.
What fuel does this carburetor run on?
It's calibrated for gasoline.
What finish does this carburetor have?
It's tumble-polished to a shiny aluminum finish with black anodized billet metering blocks and base plate.
Does this carburetor fit a Dominator-style intake?
Yes, its dual mounting-hole pattern allows it to bolt to manifolds machined for either 4150 square-bore or Dominator-style large-flange carburetors.
