HOLLEY part description

Product Description

Classic Street Carburetor

Application Summary

One of the most trusted carburetors of all times-the 1850! Its 600 CFM of airflow; vacuum secondaries; single fuel inlet and mechanical choke makes it amazingly universal. The 1850S has a shiny finish that will make you proud to pop the hood on your ride. Don t trust your performance to just anyone; Holley is the only modular carburetor company that has been in business for over 100 years and has powered every NASCAR champion since the 60ft.s.

Features & Benefits

  • Vibratory Polished Alum Good Looks/Weight Savings/Lasting Shine
  • Performance Upgrade For Stock To Mildly Modified Vehicles
  • Universal Calibration For Easy Bolt-On Performance
  • Man. Choke Cable Hand Controlled For Cold Start Control
  • Vacuum Secondaries For Use On Wide Variety Of Vehicles
  • Single Feed Fuel Inlet For Easy Installation
  • Power Valve Blow Out Protection
  • 100% Wet Flow Tested By Holley Technicians
  • Arrives Ready To Run
  • Compensates For All Vehicle Weights Gearing/Transmissions

Holley Performance Emission Code 3: This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles. The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles: 1965 and older U.S. manufactured California Certified vehicles/1967 and older U.S. manufactured Federally Certified vehicles/1967 and older Foreign manufactured vehicle. The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition and that are not registered and that may never be used on the street. WARNING: It is against the law to install this part on an Emissions Controlled Vehicle. The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles/1968 and newer U.S. manufactured Federally Certified vehicles/1968 and newer Foreign manufactured vehicle

Product Attributes

Barrel Four
Billet Color None
Booster Type Straight
Carburetor Type 4160
CFM 600
Choke Manual
CIRCUIT 2
Emission Without EGR
Finish Shiny
Flange Square Bore
Fuel Inlet Single
Fuel Type Gasoline
Material Aluminum
Primary Main Jet 66
Primary Power Valve 6.5
Secondary Type Vacuum
Supercharged Application No
Throttle Bore 1.563 in.
Type Automotive
Usage Street/Strip

Additional Information

Country of Origin (Primary) US
Harmonized Tariff Code (Schedule B) 8409915085
Harmonized Tariff Code (HTS) 8409915085
NAFTA Preference Criterion Code B
Remanufactured Part N
UPC 00090127420072

Part Interchanges

Holley® has been the undisputed leader in fuel systems, powering nearly every NHRA Pro-Stock champion and Monster Energy NASCAR Cup team with its expansive line of carburetors for over 40 years. Today, its EFI products and products for GM's popular LS engine are what dominate the performance world and the LS scene respectively. But aside from carburetors, Holley is also widely recognized for its intake manifolds, performance fuel pumps, and engine dress-up products. And to better serve its customers, it partnered with numerous other companies, such as MSD, a company developing electronics for the entire powertrain, and Powerteq, the world leader in performance tuning in the automotive market.

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