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Performance-Carburetor-850Cfm-4150-Series

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Holley 0-4781S 850 CFM Double Pumper Carburetor

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Brand: Holley

SKU: ds_BBVL_0-4781S

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Product Code: Carburetor

$1,283.16 $1,187.67

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Holley 0-4781S 850 CFM Double Pumper Carburetor

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Holley Double Pumper (R) 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.

Specifications:

Description_ASC	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.
Description_DEF	Carburetor
Description_DES	850 CFM Double Pumper Carburetor
Description_FAB	Shiny finish for good looks
Description_FAB	Optimized street/strip calibration that works out-of-the-box
Description_FAB	Manual choke (Cable driven, hand operated) for precise cold start control
Description_FAB	Mechanical secondaries for awesome tire turning performance
Description_FAB	4 corner idle allows you to precisely control your idle system
Description_FAB	Dual accelerator pumps for additional fuel under initial acceleration
Description_FAB	Dual feed fuel inlets for constant high volume fuel delivery
Description_FAB	Intended for lightweight vehicles w/ manual trans or automatics with high stall & low gearing
Description_FAB	100% wet-flow tested by Holley technicians to assure it arrives ready to run!
Description_INV	4150 850CFM UNIV DP-POL
Description_EXT	Double Pumper Carburetor; Shiny Finish; 4 bbl; 850 cfm; Model 4150; Mech. Secondary; Manual Choke; Gasoline; Dual Fuel Inlet; Gold Dichromate Finish;
Description_SHO	Carburetor
Description_MKT	Holley Double Pumper (R) 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.
Description_MKT	The Double Pumper is designed for use on lightweight vehicles with a manual transmission or an automatic transmission with a high stall and low rear end gears. The Double Pumper is available in a gold dichromate or tumble polished shiny finish and features dual accelerator pumps for additional fuel under initial acceleration; mechanical secondaries for great performance; dual feed fuel inlets for constant high volume fuel delivery and a manual choke for easy control of engine warm up.
Description_MKT	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.
Vacuum Ports	1 timed (spark) port, 1 full, and 1 PCV port
Type	Automotive
Secondary Main Jet	80
Secondaries	Mechanical
Carburetor Use	Performance and Race
Usage	Street/Strip
Primary Main Jet	80
CFM	850
Emission Code	3
Fuel	Gasoline
Primary Pump Nozzle Size	31
Sale Category	Carburetors and Components
Primary Power Valve	6.5
Choke	Manual
WARNING CA Proposition 65	Yes
Finish	Shiny
Vacuum Port Quantity	1 timed (spark); 1 full; 1 PCV
Secondary Type	Mechanical
Booster Type	Down Leg
Fuel Type	Gasoline
Emission	Without EGR
Supercharged Application	No
Flange	Square Bore
Barrels	4
Booster	Down Leg
Brand	Holley
Model	4150
Product Type	Carburetor
Warranty	Limited 90 Day
Fuel Inlet	Dual
Secondary Pump Nozzle Size	31
Barrel	Four
Carburetor Type	4150
WARNING CA Proposition 65 Message	WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Condition	New
Marine Use	No
Material	Aluminum
Throttle Bore	1.750 inch
Warning	California Proposition 65
Length	8.0000
Width	11.0000
Height	12.0000
Weight	8.0000

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