Dynatrac's ProRock 44 cures JK front end woes. JK owners can finally say goodbye to bent and broken front housings for good. This is not a welded-up and braced housing. It is a new housing designed from the ground-up to handle tough trails, big tires, and loaded Jeeps. The ProRock 44 uses OE or aftermarket Rubicon 44 internals. It comes with beefy bracketry installed to make it an easy, bolt-in installation.