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Quick Fuel Technology - HR-680-VS
Item # BJVKHR-680-VS


$834.02 / unit
Availability: 50
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Hot Rod Series Carburetor

Hot Rod Series Carburetor; 680 cfm.; Vacuum Secondary; Electric Choke And Dual Metering Blocks;


  • Barrel: Four
  • Billet Color: Diecast-No Billet
  • Booster Type: Down Leg
  • Carburetor Type: HR-Series
  • CFM: 680
  • Choke: Electric
  • Circuit: 2
  • Emission: Without EGR
  • Finish: Shiny
  • Flange: OEM
  • Fuel System Type: Carbureted
  • Fuel Type: Gasoline
  • High Speed Air Bleed: 28
  • Idle Air Bleed Size: 70
  • Material: Aluminum
  • Primary Main Jet: 70
  • Primary Power Valve: 65
  • Primary Pump Nozzle Size: 31
  • Secondary Main Jet: 74
  • Secondary Type: Vacuum
  • Supercharged Application: No
  • Throttle Bore: 1.6875 in.
  • Type: Automotive
  • Usage: Street
  • WARNING CA Proposition 65: Yes
  • WARNING CA Proposition 65 Message: WARNING: Cancer and Reproductive Harm -


  • Features A Fully Adjustable Electric Choke For Easy Starting
  • Dual Metering Block w/Four Corner Idle
  • Smooth and Efficient Idle Quality
  • Screw-In Air Bleeds/Idle Feed Restrictions
  • For Quick And Unsurpassed Tuning Capability
  • Universal Throttle Level w/Sealed Throttle Shafts
  • Tunable Secondary Opening Rate
  • Tumble Polished For Long Lasting Shine

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 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 operationTuneable secondary opening rate Tumble polished for long lasting shine

"Innovators in fuel systems" is more than just a by-line. Quick Fuel Technology, since its inception in 1998, has grown exponentially in its 11 years of business culminating into the benchmark by which performance carburetors are measured. The growth and success of Quick Fuel Technology is attributed to the strength and determination of its staff. All of the innovations you see are the product of a team that is both experienced and involved in motorsports. We continue to develop new products so that we can stay on the forefront of innovation. Over the years, Quick Fuel Technology has made considerable strides to become a stand-alone carburetor manufacturer. This increase in efficiency and capability has allowed us to continuously upgrade our products while keeping the prices low. Keeping true to our motto, we look to the future and constantly seek the next innovation. With our past experience and race-track development we continue our pursuit of horsepower and efficiency. Looking through this website will give you insight into our company's capabilities. We strive to provide a comprehensive line of carburetors, carburetor accessories, as well as service parts. Should you have a specific application that is not covered on this website, give us a call, we would be glad to talk to you about it. Whether you are looking for a recommendation or in need of technical service, we are simply a phone call away.

Manufacturer Part Number

MPN: HR-680-VS


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