The Peterbilt 388 and 389 with 123 Inch BBC from 2011 to 2017 offers 4-inch tall cab panels with 5 round 2-inch lights and 8-inch light spacing. These panels are available in 304 stainless steel and can be purchased blank or with 5 round 2-inch light holes or lights. The lights are available in amber incandescent or amber LED with amber or clear lens options. The left-hand panel is 48 inches long, while the right-hand panel is 44 inches long. Sold as a pair, these panels are 4 inches tall and provide practicality and functionality.