4781S2 Holley® 4 BBl | Stage 2 | 850cfm

A Stage 2 features all the modification of a State 1 plus; the fuel metering circuits are inspected, blueprinted and then calibrated to match any modifications done to the engine such as intake manifold, headers, ignition or cam change, and intended use of the vehicle, the air horn is milled to improve and equalize airflow between the primaries and secondaries. Electric choke and four corner idle circuit are optional on all Stage 2 carburetors.

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A Stage 2 features all the modification of a State 1 plus; the fuel metering circuits are inspected, blueprinted and then calibrated to match any modifications done to the engine such as intake manifold, headers, ignition or cam change, and intended use of the vehicle, the air horn is milled to improve and equalize airflow between the primaries and secondaries. Electric choke and four corner idle circuit are optional on all Stage 2 carburetors.

# 4781S2

Additional Information

Weight 14lbs lbs

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