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M-Series 850CFM Marine Carburetor

-4150

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CFM

PART# M-850

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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

QFT brings its engineering expertise to the marine market. The M-Series feature billet-style metering blocks and throttle bodies for more precise performance and exceptional strength. •Exclusive Black Diamond coating for enhanced corrosion protection and appearance, coating provides a 6% reduction in fuel temperature •Electric choke - Fully adjustable, one wire hookup •J tubes to prevent spillage •PTFE-coated throttle shafts with PTFE bearing ribbons and stainless steel plates •Built-in sight glass windows for easy float adjustment •Changeable primary idle feed and power valve channel restrictions, plus changeable idle air and high speed bleeds •QuickLink™ secondary adjustment for fast and easy changing of opening rates •Available in eight different sizes from 350-1,050 cfm

Specs

Barrels4
Billet ColorDiecast-No Billet
BoosterDown Leg
BrandQuick Fuel
CFM850
ChokeElectric
Circuit2
Emission Code3
FinishBlack
FuelGasoline
Fuel SystemCarbureted
High Speed Air Bleed28
Idle Air Bleed Size70
Marine Engine SizeUniversal
MaterialAluminum
ModelMarine
Primary Main Jet82
Primary Power Valve6.5
Primary Pump Nozzle Size37
Product TypeCarburetor
SecondariesMechanical
Secondary Main Jet94
Supercharged ApplicationNo
Throttle Bore1-3/4 inch
WarrantyLimited 90 Day
Part NumberM-850

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

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.