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The Edelbrock Competition 8-rib, 3.75-inch supercharger pulley (part #15831) is an upgrade pulley intended to raise boost by changing drive ratio on compatible Edelbrock supercharger kits. It fits 2016+ Camaro supercharger kits that use 8-rib pulleys and is compatible with 2011+ Mustang kits when used with Edelbrock’s 8-rib conversion kit. The pulley allows finer tuning of airflow and performance as part of a supercharger setup.
Edelbrock Replacement Pulley SC E-Force 8 Rip 3.75in Black
