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Holley 0-4780S Double Pumper Carburetor

Manufacturer

Holley

Part Number

0-4780S
04/27/2034 3:22 AM
Sale Price

$634.95

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Product Details

Holley 0-4780S Double Pumper Carburetor

The Ultra Double Pumper Carburetors feature all aluminum construction and are equipped with metering blocks and a base plate made from 6061?T6 billet aluminum. Three different anodized color options (Red, Blue, or Black) allow for a personalized look while maintaining the ultra high strength and durability you get from billet. They weigh in at approximately 5 lbs less than a comparable zinc carburetor. The new Ultra Double Pumper Carburetors have an enhanced fuel curve for optimum performance, with many more features such as aluminum construction; anodized billet aluminum metering blocks and base plate; 4 corner idle for precise idle control; mechanical secondaries for great performance; clear fuel level sight plugs for easy, no mess fuel level adjustments; Ford automatic transmission kickdown for use on popular Ford transmissions; four vacuum ports for all necessary vacuum accessories; and for the first time on a Double Pumper, factory pre?set electric choke for easy, fast cold start?ups. The clean, polished look coupled with Red, Blue, or Black metering blocks and throttle body will certainly set your ride apart whether you are at the show or track. Dont 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 60s.

Prop65WARNING: Some Products may contain chemicals such as DEHP, which can cause cancer, birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.

Products specifications

CFM

800

Throttle Bore

1.688 in.

Primary Power Valve

6.5

Primary Main Jet

71

Secondary Main Jet

85

Supercharged Application

No

Secondary Pump Nozzle Size

31

Type

Automotive

Usage

Street/Strip

Flange

Square Bore

Barrel

Four

Fuel Inlet

Dual

Material

Zinc

Secondary Type

Mechanical

Finish

Shiny

Vacuum Port Quantity

1 timed (spark); 1 full; 1 PCV

Choke

Manual

Booster Type

Down Leg

Carburetor Type

4150

Emission

Without EGR

Fuel Type

Gasoline

WARNING CA Proposition 65 Message

WARNING: Cancer and Reproductive Harm - www.P65Warning.ca.gov

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