The T- TRAX ADVANCE is the most effective LSD unit available & has the best overall advantage in comparison with the other aftermarket products available today. Amazing penetrating angles at the time of Drift, with such persistence in the accuracy of line taking and all aspects of cornering, the T- TRAX ADVANCE shows amazing efficiency with the aggressive cam angles which is optimum for drifting the friction clutch discs also has a larger surface area, furthermore with the use of the coil spring discs and the high setting of initial torque which is raised higher than any other brands in the market today. TOYOTA Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes 1986 - 1990 SUPRA ALL ALL ALL ALL ALL ALL JDM Model; w/ 1G-GTE Motor; Manual Trans; Auto Trans; Replaces Stock Open LSD 1988 - 1990 SUPRA ALL ALL ALL ALL ALL ALL JDM Model; w/ 1G-GE Motor; Manual Trans; Auto Trans; Replaces Stock Open LSD 1990 - 1993 SUPRA ALL ALL ALL ALL ALL ALL JDM Model; w/ 1G-GE Motor; Manual Trans; Auto Trans; Replaces Stock Torsen LSD 1990 - 1993 SUPRA ALL ALL ALL ALL ALL ALL JDM Model; w/ 1G-GTE Motor; Manual Trans; Auto Trans; Replaces Stock Torsen LSD 1990 - 1993 SUPRA ALL ALL ALL ALL ALL ALL JDM Model; w/ 1JZ-GTE Motor; Manual Trans; Auto Trans; Replaces Stock Torsen LSD