
4150 650CFM VAC SEC-DICHROMATE
650 CFM - 4150 - Vacuum Secondaries - Gold Dichromate - Gasoline
Overview
Classic Holley carbs have been a staple for rodders around the world for decades. They're the perfect performance upgrade for stock to mildly modified vehicles and have that classic Holley look. Holley's 0-80783C dual feed fuel inlets to assure you get all the fuel you need while its vacuum secondaries and electric choke make it amazingly universal. Plus, it is Gold Dichromate coated for durability and classic Holley looks. 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.
Features:
- Gold Dichromate finish for corrosion resistance and classic Holley looks
- Performance upgrade for stock to mildly modified vehicles
- Universal calibration for easy bolt-on performance
- Factory preset electric choke for easy startups
- Vacuum secondaries for use on wide variety of vehicles. Compensate for all vehicle weights, gearing & transmissions to allow smooth opening of secondaries.
- Dual feed fuel inlets for constant high volume fuel delivery
- Compatible with GM, Chrysler, and Ford A/T kickdown linkage. Additional parts may be required.
- Power valve blow-out protection
- 100% wet-flow tested by Holley technicians to assure it arrives ready to run!
About Holley

Holley Performance Brands is the undisputed leader in carburetors, fuel pumps, fuel injection, intake manifolds, fuel injection, and fuel systems.
Specs
Barrel Quantity | 4 |
---|---|
Barrels | 4 |
Billet Color | None |
Body Color | Gold Dichromate |
Body Finish | Plated |
Booster | Straight |
Booster Design | Straight |
Brand | Holley |
Carburetor Material | Aluminum |
Carburetor Use | Street |
CFM | 650 |
Choke | Electric |
Choke Type | Electric |
Circuit | 2 |
Condition | New |
Cubic Feet Per Minute Rating | 650 |
Emission Code | 3 |
Finish | Gold Dichromate |
Flange Type | Square/4150 |
Fuel | Gasoline |
Fuel Inlet | Dual |
Grade Type | Performance |
Linkage Attached | Yes |
Marine Approved | No |
Marine Use | No |
Material | Aluminum |
Model | 4150 |
Mounting Hole Quantity | 4 |
Primary Jet Diameter | 67 |
Primary Main Jet | 67 |
Primary Power Valve | 6.5 |
Primary Pump Nozzle Size | 28 |
Product Type | Carburetor |
Sale Category | Carburetors and Components |
Secondaries | Vacuum |
Secondary Main Jet | 73 |
Spacer Included | No |
Supercharged Application | No |
Throttle Bore | 1.688 inch |
Warranty | Limited 90 Day |
UPC | 090127539286 |
Part Number | 0-80783C |
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
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
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