4781S1 Holley® 4 BBl | Stage 1 | 850cfm

A Stage 1 Holley® 4 BBL begins with the disassembly and inspection of the carburetor for proper sizing of the idle, transition, acceleration and main metering circuits. The main body and metering blocks checked for straightness, boosters are aligned in the venturi and the throttle bores are aligned for proper seating. The carburetor is then reassembled using the highest quality parts and minor calibration changes many be made if deemed necessary by our technicians.

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$716.96

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A Stage 1 Holley® 4 BBL begins with the disassembly and inspection of the carburetor for proper sizing of the idle, transition, acceleration and main metering circuits. The main body and metering blocks checked for straightness, boosters are aligned in the venturi and the throttle bores are aligned for proper seating. The carburetor is then reassembled using the highest quality parts and minor calibration changes many be made if deemed necessary by our technicians.

# 4781S1

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Weight 14 lbs

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