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Holley Performance Parts
Holley 0-4778C
Holley 0-4778C Carburetor 700 CFM Classic 500x440
[click to enlarge]
Holley 0-4778C
* Mechanical secondaries
* Dual accelerator pumps
* Manual choke
* Two corner idle
* Dual feed fuel inlet
* 1 timed (spark) port, 1 full vacuum, and 1 PCV port
* Intended for lightweight vehicles w/ manual trans or automatics with high stall & low gearing

Not legal for sale or use on pollution controlled motor vehicles.
Retail Price: $547.95
Our Price: $492.95
UPC 090127470015
Free Shipping and Handling for orders over $99!
(US only. Excluding any oversize charges.)
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1Estimated Shipping Dates are based on available inventory and the nearest warehouse.
Performance Parts is a Holley authorized performance retailer
Product Info Related Items
Application: Street/Strip
Holley 0-4778C "Double Pumper" Four Barrel Street/Strip Carburetor

The famous Holley Double Pumper is an ideal choice for both street and strip applications. It has mechanical secondaries and dual accelerator pumps for additional fuel under hard acceleration and tremendous performance for lightweight vehicles with manual transmissions or low gearing. It features dual fuel inlets, dual metering blocks to allow precise control of secondary jetting, a manual choke, power valve blow out protection, and it was 100% wet flow tested before it left the factory.


700 CFM
Dichromate finish, order Holley 0-4778S for polished finish
Shipping Weight/Dimensions:
Weight:13.50 lbs
Height:8.00 in.
Length:12.25 in.
Width:11.00 in.
Shipping from warehouses in the U.S. and Canada!
Performance Parts has over 20 warehouses in the U.S. and Canada so you can get your parts duty free! Call for availability.
Holley 37-485
$48.12
Holley 37-485 Carburetor Rebuild/Renew Kit, Holley 4150 and Holley 4160 Models
Holley 125-65
$9.69
Holley 125-65 Power Valve
Holley 125-85
$9.69
Holley 125-85 Power valve.
Holley 122-71
$7.52
Holley 122-71 Main jets.
Holley 122-73
$7.52
Holley 122-73 Main jets.
Holley 122-75
$7.52
Holley 122-75 Main jets.
Holley 122-76
$7.52
Holley 122-76 Main jets.
Holley 122-78
$7.52
Holley 122-78 Main jets.
Holley 122-80
$7.52
Holley 122-80 Main jets.
Holley 122-66
$7.52
Holley 122-66 Main jets.
Holley 122-69
$7.52
Holley 122-69 Main jets.
Mr Gasket 1552
$19.95
Mr Gasket 1552 Chrome plated
Holley 6-504
$15.04
Holley 6-504 Viton Inlet Needle and Seat
Holley 34-150
$34.80
Holley 34-150 Chrome fuel line.
For Holley model 4150 carburetor.
Holley 26-504
$55.31
Holley 26-504 Fuel Pressure Gauge.
Holley 108-89-2
$9.76
Holley 108-89-2 Metering Block Gasket.
Fits most Holley 4150, some 4160, early 4165, and most 2300.
Secondary metering block gasket on double pumpers.
Holley 37-933
$116.95
Holley 37-933 "Trick Kit" carburetor rebuild kit
Fits Holley 2300, 2305, 4150, 4160, 4165, 4175, 4180, and 4500 models
Mr Gasket 60
$3.95
Mr Gasket 60 Mr. Gasket 60, Carburetor stud kit.
Holley 108-83-2
$9.76
Holley 108-83-2 Blue non-stick fuel bowl gaskets Fits Holley 2300 ,Holley 4150 , Holley 4160 and Holley 4500 two circuit carburetors
Holley 12-704
$101.95
Holley 12-704 Fuel pressure regulator
Holley 0-4779C
$492.95
Holley 0-4779C "Double Pumper" Four Barrel Street/Strip Carburetor
Holley 134-103
$70.67
Holley 134-103 Primary Fuel Bowl
• Primary Fuel Bowl
• Center-hung-float style
• Accelerator pump and fuel inlet provision
• Used on 3310
• Used on Double Pumpers excluding 4165
Holley 26-124
$14.10
Holley 26-124 Primary Fuel Bowl Screw and Gasket kit
Fits Holley carburetor models 410, 4160, 4175, and 4500
Holley 162-523
$12.90
Holley 162-523 Chrome Fuel Filter (3/8in)
Holley 162-517
$110.95
Holley 162-517 750 GPH Fuel
Holley 134-104S
$52.23
Holley 134-104S Secondary Fuel Bowl Polished
• Secondary Fuel Bowl
• Shiny Finish
• Center-hung-float style
• Used on Double Pumpers excluding 4165
Holley 134-104
$52.23
Holley 134-104 Secondary Fuel Bowl
• Secondary Fuel Bowl
• Center-hung-float style
• Used on Double Pumpers excluding 4165
Holley 134-103S
$70.67
Holley 134-103S Pri Fuel Bowl Polished
• Primary Fuel Bowl
• Shiny Finish
• Center-hung-float style
• Accelerator pump and fuel inlet provision
• Used on 4160
• Used on Double Pumpers excluding 4165
Holley 126-78-10
$13.97
Holley 126-78-10 Air Bleeds
Fits Holley model 4500 "Dominator"
Holley 126-77-10
$13.97
Holley 126-77-10 Air Bleeds
Fits Holley model 4500 "Dominator"
Holley 126-76-10
$13.97
Holley 126-76-10 Air Bleeds
Fits Holley model 4500 "Dominator"
Holley 126-75-10
$13.97
Holley 126-75-10 Air Bleeds
Fits Holley model 4500 "Dominator"
Holley 126-74-10
$13.97
Holley 126-74-10 Air Bleeds
Fits Holley model 4500 "Dominator"
Holley 126-73-10
$13.97
Holley 126-73-10 Air Bleeds
Holley 126-72-10
$13.97
Holley 126-72-10 Air Bleeds
Fits Holley model 4500 "Dominator"
Holley 126-71-10
$13.97
Holley 126-71-10 Air Bleeds
Fits Holley model 4500 "Dominator"
Holley 126-70-10
$13.97
Holley 126-70-10 Air Bleeds
Fits Holley model 4500 "Dominator"
Holley 126-69-10
$13.97
Holley 126-69-10 Air Bleeds
Fits Holley model 4500 "Dominator"
Holley 126-67-10
$13.97
Holley 126-67-10 Air Bleeds
Fits Holley model 4500 "Dominator"
Holley 126-65-10
$13.97
Holley 126-65-10 Air Bleeds
Fits Holley model 4500 "Dominator"
Holley 126-63-10
$13.97
Holley 126-63-10 Air Bleeds
Fits Holley model 4500 "Dominator"
Holley 126-61-10
$13.97
Holley 126-61-10 Air Bleeds
Holley 126-59-10
$13.97
Holley 126-59-10 Air Bleeds
Fits Holley model 4500 "Dominator"
Holley 126-57-10
$13.97
Holley 126-57-10 Air Bleeds
Holley 126-55-10
$13.97
Holley 126-55-10 Air Bleeds
Fits Holley model 4500 "Dominator"
Holley 126-53-10
$13.97
Holley 126-53-10 Air Bleeds
Holley 126-51-10
$13.97
Holley 126-51-10 Air Bleeds
Fits Holley model 4500 "Dominator"
Holley 126-49-10
$13.97
Holley 126-49-10 Air Bleeds
Fits Holley model 4500 "Dominator"
Holley 126-47-10
$13.97
Holley 126-47-10 Air Bleeds
Fits Holley model 4500 "Dominator"
Holley 126-45-10
$13.97
Holley 126-45-10 Air Bleeds
Fits Holley model 4500 "Dominator"
Holley 126-43-10
$13.97
Holley 126-43-10 Air Bleeds
Fits Holley model 4500 "Dominator"
Holley 126-41-10
$13.97
Holley 126-41-10 Air Bleeds
Fits Holley model 4500 "Dominator"
Holley 126-40-10
$13.97
Holley 126-40-10 Air Bleeds
Fits Holley model 4500 "Dominator"
Holley 126-39-10
$13.97
Holley 126-39-10 Air Bleeds
Fits Holley model 4500 "Dominator"
Holley 126-38-10
$13.97
Holley 126-38-10 Air Bleeds
Fits Holley model 4500 "Dominator"
Holley 126-37-10
$13.97
Holley 126-37-10 Air Bleeds
Fits Holley model 4500 "Dominator"
Holley 126-36-10
$13.97
Holley 126-36-10 Air Bleeds
Holley 126-35-10
$13.97
Holley 126-35-10 Air Bleeds
Fits Holley model 4500 "Dominator"
Holley 126-34-10
$13.97
Holley 126-34-10 Air Bleeds
Fits Holley model 4500 "Dominator"
Holley 126-33-10
$13.97
Holley 126-33-10 Air Bleeds
Holley 126-32-10
$13.97
Holley 126-32-10 Air Bleeds
Holley 126-31-10
$13.97
Holley 126-31-10 Air Bleeds
Fits Holley model 4500 "Dominator"
Holley 126-30-10
$13.97
Holley 126-30-10 Air Bleeds
Fits Holley model 4500 "Dominator"
Holley 126-29-10
$13.97
Holley 126-29-10 Air Bleeds
Holley 126-28-10
$13.97
Holley 126-28-10 Air Bleeds
Fits Holley model 4500 "Dominator"
Holley 126-27-10
$13.97
Holley 126-27-10 Air Bleeds
Holley 126-26-10
$13.97
Holley 126-26-10 Air Bleeds
Fits Holley model 4500 "Dominator"
Holley 126-25-10
$13.97
Holley 126-25-10 Air Bleeds
Fits Holley model 4500 "Dominator"
Holley 126-24-10
$13.97
Holley 126-24-10 Air Bleeds
Holley 126-23-10
$13.97
Holley 126-23-10 Air Bleeds
Fits Holley model 4500 "Dominator"
Holley 120-146
$75.81
Holley 120-146 Chrome air cleaner assembly.
- Last Updated: 2016-06-07 10:27:16 -
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