FXZ34 S58The idea The S58B30A is one of the most advanced inline six engines ever made and we wanted to find out if it could deliver serious drift power with zero internal modifications. The answer is yes. At 800 whp on a stock bottom end, this engine does what others need a full rebuild to achieve. That means fewer parts, fewer failure points, and more time on track. The build To run the S58 in our FXZ34 chassis, we developed a custom dry sump system from