Prepare your semi to be Ready for the Road Ahead , with the Hendrickson PAN22 LH Brake Caliper that offers fast actuation of the disc brakes. With a specialized design, this replacement tool houses the brake pads, assisting in the compression of the disc brakes to slow down or stop a vehicle. Manufactured with solid materials to withstand strong amounts of torque while enhancing overall brake performance. FleetPride is your First Click in Heavy Duty .