The Blower Shop Supercharger Idler Pulley - 2 Bearings / Hardware - Billet Aluminum - Polished - 6-71 to 14-71 Superchargers - Kit-4100--Notes: Comes with #4152, 2-3/4 Stand, Bolt & Washer Kit. State Restrictions- Canada Restriction-NO -Emission Warnings--NO Truck Freight ---NO