Description: 1983-91 dual rectangular, lower, without quartz. 1981-88, dual, lower. 1981-88 with chrome grille, lower, standard. Sealed beam headlamps, inner, without quartz. Sealed beam, 1986, standard, inner, standard. Protects headlamp capsules Built-in adjustors provide ability to aim lamps This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors