The Peterbilt 579 And 567 NGP Low Roof Standard Aluminum Conversion Kit is a practical and efficient solution for upgrading your vehicle. This kit features a pre-assembled one-piece aluminum 0.063 panel with pre-installed bracking and window, as well as sound deadening insulation for a quieter ride. The CNC cut and drilled panel ensures a precision fit inside the flange, while the acid sealed and primer-ready finish provides durability. Sold as a kit with hardware and sealer included, this conversion kit is designed to fit most Peterbilt 579 and 567 NGP low roof models, making it a convenient and beneficial upgrade for your vehicle.