Edelbrock Pulley SC E-Force 3 250In 8 Rib Black

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. PULLEY SC E-FORCE 3.250in. 8 RIB BLACK This Edelbrock part #72209 Pressure Deactivation Switch is adjustable from 3 to 25 psi.