Edelbrock E-Force Supercharger pulleys allow you to fine tune the air flow and performance of your E-Force Supercharger system to your preference. They are available in a 6-rib design for use with any of our Stage 3 Professional Tuner systems and a 10-rib design for use with our new small-block Chevy E-Force Classic systems.
Edelbrock Carb E.O. D-215-85; Pulley Supercharger E-Force Competition; 3.50in.