The Differential is a torque controlled diff. It is possible to preload the system.

Advantages of the Powerlock Differential: maximum traction for all grip levels (adjustable), reduction of fuel consumption, less tyre wear, easy and constant driving behaviour.

With the 2014 edition weight has been reduced to 364g  including out drives and main gear 48". Attention: ball bearings, out drives and main gear 48" are included in the set. 

The differential is delivered already mounted and has just to be fill with oil