This is slightly shorter for use with 10% OD balancer only, and smaller blower pulleys (2.5"" and less) with no idlers. Belt also works with stock balancer, stock idler and 2.5" pulley on 2007-2012 GT500. If you have an aux idler or a larger blower pulley you need the K100852 belt.
VMP Performance 07-14 Ford Shelby GT500 Belt w/ stock or 10 Percent OD Lower
Belt for '07-14 GT500 with stock or 10% OD Lower
Supercharger Pulley
