The OS-250R Super Lock LSD Gear Oil is exclusively for use with your OS Giken Super Lock LSD.  This is been developed along side the oil manufacturers and though the years of experience on the race tracks.  Since the Friction Modifier agent suitable for mechanical type LSD is used, it reduces the generation of abnormal noise (chattering) and abnormal vibration of your LSD, and at the same time draws the original performance of the LSD. Because it uses additives with excellent stick torque performance, it can also be used for manual transmission.