Jet Performance Carburetor - 4781S4

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.