Molded-composite 38T diff pulley with XRAYs innovative yet very smart Labyrinth Dust Cover diff protection system which has been carried over from the previous T1/T2 platforms where it has been very successfully used for many years. The special internal labyrinth design of the diff covers prevents any dirt, debris, and carpet fibers from getting into the differential and as such reduces servicing and ensures longest life of the differential. Set includes also front Axle 38T side covers.