OBX Helical LSD Fit for Nissan R200 300ZX 240Z 240SX Silvia All Eliminates harsh torque steer and understeering characteristics of other types of LSDs Gear operated (no clutch plates to replace) Designed for extremely tight cornering, positve tarmac control and quicker starts by transferring torque to both drive wheels Minimal maintenance requirements (no special oil required) Backed by manufacturer limited lifetime warranty