Description: Single headlamp. Single, rectangular, spring, all. 1983-91 dual rectangular, spring. 1981-88, dual, upper. 1981-88, dual, lower. 1981-91, single. 1985-94. Sealed beam headlamps. 1995-05 sealed beam system. 1/2, 3/4 & 1 ton, 1996 new style, with sealed beam headlamp. Helps align and secure your vehicle's headlamp This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors