The Mean Green High Output Alternator 8306 is designed to give your 6.0 Powerstroke the best possible charging power. With an output of 200 amps, it is up to 300% more powerful than standard alternators. It is also precision balanced for smooth operation and has a life expectancy of 300,000 miles. Installation is easy, taking only 5 minutes, and there is no need for a core. This alternator comes with a 1 year unconditional guarantee and a 1 year warranty.