850 CFM - 4150 - Mechanical Secondaries - Black - Gasoline

Part Number: M-850

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.