4780S4 Holley® 4 BBl | Stage 4 | 800cfm

 A Stage 4 features all previous modification plus: the air horn apparatus is completely removed through a CNC machining procedure. The center section is then completely hand radiused to achieve the maximum allowable airflow. Removable air bleeds are installed for the ultimate in tuning capabilities. A Stage 4 is intended for full race, high RPM applications where the ultimate in performance carburetion is desired.

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 A Stage 4 features all previous modification plus: the air horn apparatus is completely removed through a CNC machining procedure. The center section is then completely hand radiused to achieve the maximum allowable airflow. Removable air bleeds are installed for the ultimate in tuning capabilities. A Stage 4 is intended for full race, high RPM applications where the ultimate in performance carburetion is desired.

# 4780S4

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Weight 14lbs lbs

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