Product Description
Vergaser vierfach
Barrels___4
Billet Color__Diecast-No Billet
Booster___Down Leg
Brand___Quick Fuel
Carburetor Use__Street
CFM___680
Choke___Electric
Circuit___2
Condition___New
Emission Code__3
Finish___Shiny
Fuel___Gasoline
Fuel System__Carbureted
High Speed Air Bleed_28
Idle Air Bleed Size__70
Marine Use__No
Material___Aluminum
Model___HR-Series
Primary Main Jet__70
Primary Power Valve_65
Primary Pump Nozzle Size_31
Product Type__Carburetor
Secondaries__Vacuum
Secondary Main Jet__74
Supercharged Application_No
Throttle Bore__1-11/16 inch
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.
•All models feature a fully adjustable electric choke for easy starting
•Dual meteringblocks 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.
https://documents.holley.com/199r11667.pdf
