Holley HP carburetors have been the standard in racing carburetors for nearly two decades. Powering the biggest names in NASCAR to the Saturday night racer, HP carburetors are the perfect choice for all types of motorsports. Classic HP carburetors are available from 390 to 1000 CFM and feature a contoured venturii inlet for balanced air flow, screw in air bleeds for precision tuning capabilities, high flow metering blocks and Dominator style fuel bowls which allow pluming from either side for ease of installation. Holley HP carburetors are the standard for square bore race carburetors. Race-Ready out of the box!

Gold Dichromate finish for corrosion resistance
Optimized race calibration
Contoured venturri inlet offers balanced airflow for increased horsepower
Screw in air bleeds for precision tuning capabilities
Dual 30cc accelerator pumps for additional fuel under initial acceleration
Dual feed fuel inlets for constant high volume fuel delivery
4 corner idle allows you to precisely control your idle system
Progressive Secondaries for perfect off the line launches
Stainless steel throttle plates
Includes notched float and jet extensions
Calibrated for gasoline
100% wet-flow tested by Holley technicians to assure it arrives ready to run!

Charts

Installation Instructions (PDF)

Guides & Documents

Carburetors Installation Instructions (4250805111)

Determining the Best Performance Carburetor For Your Application

CARB Warning

For race/ off road use or for use on pre-1966 vehicles.

Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway, or if installed in vehicles model-year 1965 or older; motorcycles model-year 1977 or older; or off-highway recreational vehicles (such as off-road motorcycles and all-terrain vehicles) model-year 1996 and older. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.

CA WARNING:

Can expose you to lead, a carcinogen and reproductive toxicant. See www.P65Warnings.ca.gov

CARB warning

Holley 0-80511-1 Specifications

KEY SPECS
MFG. Part #	0-80511-1
Brand	Holley
Carburetor Barrels	4-Barrel
Fuel Type	Gasoline
Choke Type	No Choke
CFM Range	800-899 CFM
CFM	830 CFM
Carburetor Flange Type	4-Barrel Square Bore
Finish	Dichromate
Material Type	Zinc
Color	Gold
Secondary Type	Mechanical
Fuel Inlet Type	Dual
New or Remanufactured	New
Supercharged Application	No

GENERAL
Model	4150HP
Booster	Annular
Number of Circuits	2
Emission Code	3
Throttle Bore	1.688 inch
Venturi Diameter	1.561 Inch
Bolt Hole Pattern	5.160" x 5.625"
GTIN Code	090127427811
Sold in Quantity	Each

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