A lot of people ask about high output alternator options. So here's a chart with a few manufacturers listed below. If you find more, please reply so they can be added. This post is of course geared towards Dodge trucks but these manufacturers generally make alternators for anything. Simply go to their website and search.   **NOTE: Always look into upgrading your batteries and cables first! If you have a mostly stock truck, you'll benefit from an alternator upgrade, but not as much