JT&T Products Universal Single Contact Light Socket with Spring Clip Mount: * Single contact socket assembly * Spring clip mount * Fits 7/8"-1-1/8" (22.25 to 28.6mm) hole * Replaces GM #88861050 * Replace AC/Delco #LS199 * Uses bulb #63, 67, 87, 89, 93, 209, 1003, 1073, 1129, 1131, 1141 and 1156