M-850 M-Series 850CFM Marine Carburetor

850 CFM - 4150 - Mechanical Secondaries - Black - Gasoline. 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. 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.

General Policies

Payment Method

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Warranty & Return Policy

Holley Performance Products warrants new products to be free from defects in material and workmanship for a period of 90 days from date of purchase.

Holley Performance Products Limited Warranty specifically does not apply to products, which have been (a) modified or altered in any way; (b) subjected to adverse conditions, such as misuse, neglect, accident, improper installation or adjustment, dirt or other contaminants, water, corrosion, or faulty repair; or (c) used in other than those applications recommended by Holley Performance Products. Holley Performance Products also does not warrant, and disclaims all liability for products used in racing activities and/or applications other than those specifically recommended in the current brand catalog.

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We ship all US orders via United Parcel Service (UPS Ground)
A signature is required on all UPS orders over $750
Tracking information will be sent via email after your package ships (you must supply a valid email address during checkout)
We ship within 1 business day upon receipt of payment
We do not ship to APO/FPO or US Post Office Box addresses
We ship internationally thru United States Postal Service (USPS) Express Mail International; allow extra time for international shipments
We can not ship as a "GIFT" or ship anything internationally with changes to the invoice

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