Hughes Performance Competition 40 Series Torque Converters are engineered strictly for racing applications. Hughes Performance Competition 40 Series Torque Converters feature heavy-duty needle bearing packages instead of the normal fiber thrust washers allows your vehicle to run on the street, but is recommended to keep it on the track. The most important factor is high performance racing is how your vehicle leaves the starting line, and Hughes Performance Competition 40 Series Torque Converters are what you need to ensure fast and reliable starting times. Made in the U.S.A.