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Overview of a Holley 4150 mechanical secondary carburetor, Double PumperYouTube Button
Holley Street HP CarburetorsYouTube Button

750 CFM Street HP Carburetor-Factory Refurbished

Mechanical Secondary-4150

?
Choke
Secondaries

PART# FR-82751

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Holley Carburetor Selector
This model of carburetor has the square bore flange bolt pattern. It can replace Holley, Edelbrock, Carter AFB, and Autolite style carburetors with 5 3/16" x 5 5/8" bolt pattern. If you have a spreadbore style intake manifold, you will need an adapter to install this carburetor. Similar to the Mr. Gasket #1932.

Overview

This is an official Holley Performance Factory Refurbished Carburetor. Factory Refurbished carbs are NOT old worn-out carbs that have been rebuilt. They are carbs that were returned under warranty. When these carbs are returned, we check them out and most of the time there is nothing wrong with them. Generally, they were simply adjusted out of working range by the installer. Since these carbs may show signs of a previous installation, our policy is not to sell them as new. Rather than scrapping them, we are making them directly available to the public. Not only does this help us control the costs of our new carbs, it allows you to get a great deal on a like-new carburetor! Factory Refurbished carbs have undergone a thorough inspection. Any damaged parts that would effect performance have been replaced and the carbs are solvent cleaned before being wet-flow-tested on Holley's state-of-the-art flow benches allowing them to be recalibrated to new carb specs. Factory Refurbished carbs may have scratches, blemishes, and other visual flaws from previous installation. Factory Refurbished Carburetors have limited availability. The Street HP™ uses the best features from Holley's race Bred 4150 HP™ carbs, but tamed for street and light competition use. The Street HP features the contoured main body from the 4150 HP™ and has a tumble polished shiny finish and screw in air bleeds for precision tuning capabilities. The metering system includes a timed spark port for a vacuum advance distributor and is calibrated for a hot street/strip engine setup for outstanding throttle response and drivability. A street HP base plate is used so there are plenty of vacuum ports for power brakes, PCV, etc. The Street HP takes all the great features from the race HP and the Double Pumper and combines them into the perfect street/strip carburetor.

Features:

  • Vibratory polished for good looks
  • Optimized street/strip calibration for outstanding throttle response and drivability
  • Contoured venturri inlet offers balanced airflow for increased horsepower
  • Screw in air bleeds for precision tuning capabilities
  • Four corner idle for precise idle control
  • Mechanical secondaries for awesome tire turning performance
  • Dual accelerator pumps for additional fuel under initial acceleration
  • Dual feed fuel inlets for constant high volume fuel delivery
  • Compatible with GM, Chrysler, and Ford A/T kickdown linkage. Additional parts may be required.
  • Intended for lightweight vehicles w/ manual trans or automatics with high stall & low gearing
  • 100% wet-flow tested by Holley technicians to assure it arrives ready to run!

Specs

Barrels4
BoosterDown Leg
BrandHolley
CFM750
ChokeNone
Emission Code3
FinishShiny
FuelGasoline
Fuel InletDual
High Speed Air Bleed36
Idle Air Bleed Size71
MaterialAluminum
Model4150
Primary Main Jet77
Primary Power Valve4.5
Primary Pump Nozzle Size28
Product TypeFactory Refurbished Carburetor
SecondariesMechanical
Secondary Main Jet84
Secondary Pump Nozzle Size31
Supercharged ApplicationNo
Throttle Bore1.688 inch
Venturii Size1.375 inch
WarrantyLimited 90 Day
Part NumberFR-82751

Service Parts


Emissions

This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles.

The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles:

  • 1965 and older U.S. manufactured California Certified vehicles
  • 1967 and older U.S. manufactured Federally Certified vehicles
  • 1967 and older Foreign manufactured vehicle

The following vehicles are considered Racing Use Only Vehicles:

  • Racing Use Only Vehicles are vehicles that are used exclusively for competition and that are not registered and that may never be used on the street

WARNING: It is against the law to install this part on an Emissions Controlled Vehicle

The following vehicles are considered Emissions Controlled Vehicles:

  • 1966 and newer U.S. manufactured California Certified vehicles
  • 1968 and newer U.S. manufactured Federally Certified vehicles
  • 1968 and newer Foreign manufactured vehicle

Tech Resources

Holley Carburetor Selector
Instructions for Part# 0-82751
Carburetor Numerical Listing for Part #0-82751
This model of carburetor has the square bore flange bolt pattern. It can replace Holley, Edelbrock, Carter AFB, and Autolite style carburetors with 5 3/16" x 5 5/8" bolt pattern. If you have a spreadbore style intake manifold, you will need an adapter to install this carburetor. Similar to the Mr. Gasket #1932.

Warranty Information

Limited 90 Day: See Details
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      *Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages.

      Some parts are not legal for use in California or other states with similar regulations.