This dual contact light bulb socket has a 10" pigtail. It is compatible with #1157 bulbs and has a 1.25” focal length that fits a 1” opening.
Fits Pontiac:
Bonneville 1970-1979
Catalina 1970-1979
Executive 1970
Grand Lemans 1975-1979
Grand Prix 1970-1979
Grand Safari 1971-1978
Grandville 1971-1975
Lemans 1970-1979
Parisienne 1976-1986
Safari 1987-1989