The Edelbrock pulley part #15820 allow you to fine tune the airflow and performance of your Edelbrock Supercharger System to your preference. Edelbrock pulley part #15820 is for use with any of our Professional Tuner systems. This pulley features a black anodized finish.- 3.50in. 6-Rib Edelbrock's/C Pulley in Black Finish for - Pro Tuner System
Installation Instructions
Installation Instructions