Click to enlargeHolley 650 cfm 
Double Pumper Carburetor

Holley 650 cfm double pumper carb.

Dual accelerator pumps for additional fuel under intial acceleration.

This carb offers awesome tire spinning performance for lightweight vehicles and vehicles with manual transmissions or low gearing.

100% flow tested and calibrated.

Dual metering blocks allow fine tuning of the secondary jetting.

Manual choke, duel feed fuel inlets, power valve blow out protection for trouble free operation.

Base gasket included.

Universally calibrated for general high performance use, you may need to change jet or power valve sizes to match this carb to your specific engine set up.

Recommended for racing or hot street V8 engines from 327 ci up to 400 ci.

The 0-4777C has the classic Holley finish.

The 0-4777S has the vibratory polished shiny finish that looks somewhat like chrome. To find the 0-4777S, just scroll down the page.

Holley 0-4777C 0-4777S 650 cfm carburetor double pumper 0-4777C$474.97

Click to enlargeHolley 0-4777S 650 cfm Double Pumper Carburetor
Holley 650 cfm double pumper with the vibratory polished finish that looks somewhat like chrome.

Click to enlargeChrome Fuel Line for Holley 0-4777C 0-4777S
We recommend this fuel line for use with the Holley 0-4777C and 0-4777S carburetor shown above.

3/8" hose barb inlet.

1/8" NPT port for attaching a fuel pressure gauge.

Chrome plated.



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