Rhino Racing YD-2 C-LSD Differential UnitRhino Racing (#RR 600) YD 2 C LSD Differential Unit Feature: For: Yokomo YD 2 series Rhino Racing SHARK Centrifugal Limited Slip Differentials for YD 2 which provides you more forward traction by applying more resisting torque when the throttle is engaged. Off Throttle The off power works the same way as a standard open diff. On Throttle When the throttle is engaged, the diff will become more locked and will give you more forward traction.