H4781 - Holley; 4150 Series; 850 CFM 4 Bbl Carburetor; With Mechanical Secondary; Manual Choke
H4781 - Holley; 4150 Series; 850 CFM 4 Bbl Carburetor; With Mechanical Secondary; Manual Choke
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- Product #: H4781
- CATEGORY: Carburetors - Performance
- BRAND: Holley
- SHIP TYPE: Standard |
- Emissions Compliance: Non-CARB Compliant |
Holley; 4150 Series; 850 CFM 4 Bbl Carburetor; With Mechanical Secondary; Manual Choke
Holley Double Pumper® carburetors are a perfect performance upgrade for hot street cars and race vehicles. Double Pumper carburetors are an American icon when it comes to performance carburetors.
From their roots as the premier carburetor on many factory muscle cars to powering thousands of vehicles across the finish line, the Double Pumper is a great choice whether you are burning up the street or the quarter mile.
Features:- Gold Dichromate finish for corrosion resistance and classic Holley looks
- Optimized street/strip calibration that works out-of-the-box
- Manual choke (Cable driven, hand operated) for precise cold start control
- Mechanical secondaries for awesome tire turning performance
- 4 corner idle allows you to precisely control your idle system
- Dual accelerator pumps for additional fuel under initial acceleration
- Dual feed fuel inlets for constant high volume fuel delivery
- Intended for lightweight vehicles with manual trans or automatics with high stall and low gearing
- 100% wet-flow tested by Holley technicians to assure it arrives ready to run
- Booster: Down Leg
- CFM: 850
- Choke: Manual
- Finish: Gold Dichromate
- Fuel: Gasoline
- Fuel Inlet: Dual
- Material: Zinc
- Model: 4150
- Primary Main Jet: 80
- Primary Power Valve: 6.5
- Primary Pump Nozzle Size: 31
- Secondaries: Mechanical
- Secondary Main Jet: 80
- Secondary Pump Nozzle Size: 31
- Throttle Bore: 1.750"
- Vacuum Ports: 1 timed (spark) port, 1 full, and 1 PCV port
Important: Not for use on pollution controlled vehicles. See Emission Notes below.
Note: Pictured for illustration purposes only.
Emission Note:For (PPCV) Pre-Pollution Controlled Vehicles Only: Legal for use on all vehicles that were manufactured before emissions control regulations were imposed. Check your state law before ordering.
For Racing Use Only: This product is intended for vehicles that are exclusively designated as a racing or off-road vehicle only. This product is not legal for use on vehicles that are operated on public highways. Not for use on a street-driven vehicle.
- 1965 and Older, USA Manufactured, California Certified Vehicles
- 1967 and Older, USA Manufactured, Federally Certified Vehicles
This product is available for all vehicles.
Product Specifications
Shipping Dimensions- Weight: 13 Lbs
- Dimensions: L: 12" x W: 11" x H: 8"
- Ship Type: Standard |
- Non-CARB Compliant: This product is not legal for street use on an emissions-controlled vehicle. It may be used on dedicated competition or pre-polution-controlled vehicles only.
Holley; 4150 Series; 850 CFM 4 Bbl Carburetor; With Mechanical Secondary; Manual Choke
Holley Double Pumper® carburetors are a perfect performance upgrade for hot street cars and race vehicles. Double Pumper carburetors are an American icon when it comes to performance carburetors.
From their roots as the premier carburetor on many factory muscle cars to powering thousands of vehicles across the finish line, the Double Pumper is a great choice whether you are burning up the street or the quarter mile.
Features:- Gold Dichromate finish for corrosion resistance and classic Holley looks
- Optimized street/strip calibration that works out-of-the-box
- Manual choke (Cable driven, hand operated) for precise cold start control
- Mechanical secondaries for awesome tire turning performance
- 4 corner idle allows you to precisely control your idle system
- Dual accelerator pumps for additional fuel under initial acceleration
- Dual feed fuel inlets for constant high volume fuel delivery
- Intended for lightweight vehicles with manual trans or automatics with high stall and low gearing
- 100% wet-flow tested by Holley technicians to assure it arrives ready to run
- Booster: Down Leg
- CFM: 850
- Choke: Manual
- Finish: Gold Dichromate
- Fuel: Gasoline
- Fuel Inlet: Dual
- Material: Zinc
- Model: 4150
- Primary Main Jet: 80
- Primary Power Valve: 6.5
- Primary Pump Nozzle Size: 31
- Secondaries: Mechanical
- Secondary Main Jet: 80
- Secondary Pump Nozzle Size: 31
- Throttle Bore: 1.750"
- Vacuum Ports: 1 timed (spark) port, 1 full, and 1 PCV port
Important: Not for use on pollution controlled vehicles. See Emission Notes below.
Note: Pictured for illustration purposes only.
Emission Note:For (PPCV) Pre-Pollution Controlled Vehicles Only: Legal for use on all vehicles that were manufactured before emissions control regulations were imposed. Check your state law before ordering.
For Racing Use Only: This product is intended for vehicles that are exclusively designated as a racing or off-road vehicle only. This product is not legal for use on vehicles that are operated on public highways. Not for use on a street-driven vehicle.
- 1965 and Older, USA Manufactured, California Certified Vehicles
- 1967 and Older, USA Manufactured, Federally Certified Vehicles
This product is available for all vehicles.
Product Specifications
Shipping Dimensions- Weight: 13 Lbs
- Dimensions: 12" x 11" x 8"
- Ship Type: Standard |
- Non-CARB Compliant: This product is not legal for street use on an emissions-controlled vehicle. It may be used on dedicated competition or pre-polution-controlled vehicles only.
