Engine valves are the unsung heroes of locomotive and marine engines, regulating air, fuel intake, and exhaust flow to ensure peak performance and efficiency. Unotech Engineering provides high-performance intake valves, exhaust valves, and valve seat inserts for EMD, ALCO, WARTSILA, and other major engine brands. Our precision-engineered valves are built to withstand extreme temperatures, reduce wear, and optimize fuel efficiency, making them the ideal choice for rail and marine applications.