The DMS 8.80" 8 rib balancer pulleys are a great way to increase supercharger RPM resulting in higher airflow and boost levels. These pulleys are CNC machined from 6061 aluminum and anodized for longevity. Designed to fit ATI balancer part numbers 918856 or 918854.
LSA = 12% Overdrive
LT4 = 10% Overdrive