Designed for mid and top range performance!! Next step is a port and polish to really let it do its thing. Cam was a stage two hot cam for 400ex. Holy hell what a difference!
disculpe ya el arbol de levas viene con su Sprocket; apologize and the camshaft comes with Sprocket none How much power increase does this give? it is a very noticeable increase in power. I used mine with a 11.5-1 compression wiseco piston w carb rejet and a pipe.