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 Chevrolet:
Bel Air 1969-1975
Biscayne 1969-1972
Caprice 1969-1990
Impala 1969-1982
Kingswood 1969-1972