The AMS EVO X TMP camshafts for the 4B11T are simply the best all around solution for anyone with an upgraded turbo.  After extensive testing, AMS offers a cam design that gives you the best of both worlds; massive power gains spread across a wide power band while maintaining excellent street manners and improved turbo response over the competition.  
 
The AMS TMP Camshafts are designed for any Mitsubishi Lancer Evolution X or Ralliart with an upgraded turbo, be it bolt-on or full turbo kit and will work on a factory ECU.  Power gains can be anywhere from 50 to 80 horsepower depending on turbo selection and boost levels.  Whether you’re driving on the street or track, you can expect excellent response and power throughout the entire rev range!