The takeover battle for Pep Boys underscores the confidence that Icahn and Bridgestone have in the U.S. auto-parts retail industry, which is poised for one of its best years ever as an aging vehicle fleet spurs demand. Both Bridgestone and Icahn were seeking to expand their presence in the tire and auto-repair industry by adding Pep Boys' 800 locations across more than 30 states. Icahn bought the Georgia-based Auto Plus chain of 230 parts stores earlier this year and wanted to add the Pep Boys outlets.