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.
We have combined the carburetor and intake manifold into a kit form that includes all of the gaskets, bolts, and an air cleaner for a complete installation. 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 1850SA is constructed from aluminum which compared to its zinc counterpart equates to a weight savings of 40%! Being aluminum also means it will hold its shine and can be hand polished for a custom look! 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 60's.
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Vibratory polished aluminum for good looks, weight savings and long lasting shine
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Performance upgrade for stock to mildly modified vehicles
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Universal calibration for easy bolt-on performance
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Manual choke (cable actuated - hand controlled) for precise cold start control
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Vacuum secondaries for use on wide variety of vehicles. Compensate for all vehicle weights, gearing & transmissions to allow smooth opening of secondaries.
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Single feed fuel inlet for easy installation
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Compatible with GM, Chrysler, and Ford A/T kickdown linkage. Additional parts may be required.
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Power valve blow-out protection
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100% wet-flow tested by Holley technicians to assure it arrives ready to run!
Application |
Small Block Chevy |
|---|---|
Barrels |
4 |
Billet Color |
None |
Booster |
Straight |
Brand |
Holley |
Carburetor Use |
Street |
CFM |
600 |
Choke |
Manual |
Circuit |
2 |
Emission Code |
3 |
Finish |
Shiny |
Fuel |
Gasoline |
Fuel Inlet |
Single |
Material |
Zinc |
Model |
4160 |
Primary Main Jet |
64 |
Primary Power Valve |
6.5 |
Primary Pump Nozzle Size |
31 |
Product Type |
Virtual Kit |
Secondaries |
Vacuum |
Supercharged Application |
No |
Throttle Bore |
1.563 inch |
Warranty |
Limited 90 Day |
Part Number |
VK060012 |
ABOUT HOLLEY PERFORMANCE
For over a century Holley has driven the cutting edge of fuel-system design. That work continues today through Holley’s market-leading EFI products as well as through Holley’s family of best-in-industry brands. Top brands like MSD, Flowmaster, Hurst, Accel, and many more make up the industry’s leading offering of enthusiast-driven products to deliver robust, complete performance solutions for builders, racers, and drivers. From propelling the LS-, Coyote-, and Gen 3 Hemi-swap trends, to continuously innovating late-model and vintage vehicle performance, Holley’s commitment to its customers and their cars is at the core of everything we do.
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