Holley 0-4781C 850 cfm double pumper carburetor.
Manual choke for easy control of engine warm up.
Mechanical secondaries and power valve blow out protection for trouble free operation.
Dual metering blocks allows fine tuning of secondary jetting.
Four corner idle control, center hung floats.
Dual accelerator pumps for additional fuel under initial acceleration.
Dual feed fuel inlets for constant high volume fuel delivery.
100% wet flow tested. Base gasket included.
Recommend for racing small blocks and mild street performance and mild racing big blocks.
Universal performance calibration, may require possible jetting and power valve changes or other tuning to match this carburetor to your specific engine combination.
The Holley 0-4781C features the classic Holley finish.
The 0-4781S features the vibratory polished finish that looks like chrome.
Holley 0-4781S 850 cfm double pumper carburetor with the vibratory polished finish that looks like chrome.
We recommend this fuel line for use with the Holley 0-4781C and 0-4781S carburetor shown above.
3/8" hose barb inlet.
1/8" NPT port for attaching a fuel pressure gauge.
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