LMR has put together this guide to help you decide which belt you need for most of the popular combos using a stock Eaton blower and multiple pulley combinations. Here are the breakdowns below explaining most of the possible combinations for the 03-04 Ford Mustang Cobra.
While we have determined that these lengths are the most accurate lengths needed, these belt suggestions should be used as a guide. Each recommendation should be within 0.5" of less of the ideal length. With differences in tension strengths, manufacturers, and OEM tolerances, variances in length can differ.
