Idler pulley increases belt wrap for smaller pulleys for high-performance applications.
Plug-and-play for ScienceofSpeed S2000 Supercharger Systems sold on 11/5/2019 or later. Kit can be added to earlier systems (requires one 10mm hole to be drilled, template included).
Designed for 3.0 - 3.4" pulleys. Not compatible with larger pulleys.
New belt required. Select from the chart on this page.