680 CFM - 4150 - Vacuum Secondaries - Shiny - Gasoline

Part Number: HR-680-VS

The Hot Rod Series is a versatile performer designed for the most discerning street enthusiast. Featuring lightweight die-cast aluminum components, the HR-Series offer all the tunability you would expect from more expensive racing carburetors, including changeable bleeds, idle feed, power valve channel restrictions, and four-corner idle. Offered in either vacuum or mechanical secondary models, all Hot Rod Series carburetors feature electric chokes and dual metering blocks for added performance. Now available in a 450 cfm model for applications with small displacement engines.

Features and Benefits

• •All models feature a fully adjustable electric choke for easy starting
• •Dual metering blocks w/4-corner idle for smooth and efficient idle quality
• •Screw-in air bleeds and idle feed restrictions for quick and unsurpassed tuning capability
• •Dual inlet fuel bowls with sight glass windows on both fuel bowls for safe and easy float adjustment
• •Universal throttle lever with sealed throttle shafts for years of smooth operation
• •Tuneable secondary opening rate
• •Tumble polished for long lasting shine

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.