x3 -- and there are all sorts of batteries out there to choose from also!
I know most might not think twice about these, but I bought the Walmart Everstart MAXX batteries -- have a longer warranty than the Motorcraft with 25 less CCA and cost $130 for both -- was over $200 for Motorcraft and over $160 for the Autozone/Sears/Oreilly's/Napa equivalents