*The recent batch of YD2-S gear boxes differ slightly from the older batches and might require some customization (shaving) for perfect fit. R,Z,E Series Transmissions are not effected
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. Which will make the car faster.
This style of active centrifugal diff gives you the best of both worlds
Overall performance will be increased.
Instructions can be found here: