Photo 1
Photo 2
Photo 3
Photo 4
Photo 5
Photo 6
Photo 1
Photo 2
Photo 3
Photo 4
Photo 5
Photo 6

Holley Carburetor 0-80804BKX; Ultra XP 850 CFM 4-Barrel No Choke

$1,034.95

Part #: 0-80804BKX

Brand: Holley

UPC: 090127713464

Estimated Ship Date: 6/1/2025 (From manufacturer)

This item ships free with qualifying orders of $150 or more.
See our shipping policy for more details.

Details

  • Aluminum Construction
  • Drain Plug On Bowl Provides Easy Access To Empty Bowl
  • 8AN O-Ringed Inlet Threads Offer A Variety Of Plumbing Options
  • 4 Corner Idle Allows You To Precisely Control Your Idle System
  • Saves 4.5 Pounds 38% Weight Savings
  • Contoured Venturi Inlet Balances Airflow For Increased hp
  • Air Bleeds Moved Outward For Smoother Transition Of Airflow
  • Metering Blocks/True Gasket Sealing/Fully Adjustable
  • Idle Bypass Valve Eliminates Holes In Throttle Plates
  • Dual 30CC Accelerator Pumps Fuel From Idle To Full Throttle
  • Fuel Bowls Provide 20% More Fuel Capacity Controls Slosh
  • Clear Sight Windows On Both Sides Of Bowls For Safe Fuel Level

Product Description

Xtreme Performance - Holley Ultra XP(TM) Circle Track Carburetors! Ultra XP carbs are 38% lighter than our original HP, have fuel capacity that is 20% greater and 30 other new features! They're available in our Hard Core Gray(TM) hard coat anodized finish with Black(TM) billet for improved corrosion protection & also available in natural tumble-polished aluminum with Black(TM) metering blocks and base plate. The Aluminum Ultra XP Cirlce Tracks are available in 650 & 750 CFM's. Holley Ultra XP carburetors are Specifically Calibrated for Circle Track & offer new features such as anti-siphon valve in the main body; high capacity HP bowls which feature 20% more fuel capacity to eliminate starvation, integrated fuel shelf to minimize fuel aeration and internal baffling to control fuel slosh. Other features include all aluminum construction, fully tunable billet metering blocks, billet base plate, wedge floats, adjustable secondary linkage and knurled (hand adjustable) curb idle screws. Holley Ultra XP carburetors are the ultimate in square bore race carburetors!

Specifications

Carburetor Series:
Ultra XP
CFM:
850 CFM
Number of Barrels:
4-Barrel
Flange:
4150 and 4500
Secondary:
Mechanical
Choke:
No Choke
Main Body/Fuel Bowl Material:
Aluminum
Main Body/Fuel Bowl Finish:
Shiny
Metering Block Material:
Billet Aluminum
Metering Block Finish:
Black Anodized
Throttle Plate Material:
Billet Aluminum
Throttle Plate Finish:
Black Anodized
Metering Block Circuits:
2 Circuit
Booster Type:
Down Leg
Compatible Fuels:
Gasoline
Fuel Inlet:
Dual
Primary Power Valve Size (from Factory):
4.5 inHg.
Throttle Bore Size:
1.750 in.
Quantity:
Sold As Each

Videos