Pacbrake P55004 Loadleash Engine Brake Kit for 6.7 Cummins Engines

As the only engine brake available for the class 3-5 truck market, Pacbrake LoadLeash provides big-rig engine braking performance. In addition to enhanced vehicle control and reduced brake fade, Pacbrake LoadLeash can extend service brake life by up to 500%. Designed for the heavy hauler!