At Powerbrake they design and manufacture the very best brake upgrade kits on the market for 4x4 vehicles. Their civilian X-Line 4x4 big brake kits feature direct technology transfer from the R-Line off-road race brake systems that have been used by works race teams to win multiple FIA Cross Country World Championships as well the infamous Dakar Rally, which is regarded by many to be the most grueling motorsport event on the planet.