This 1157 socket pigtail uses a two filament light bulb commonly used in brake light, turn signal and tail light applications.
Pigtail measures 10"
Fits Hole Size: 1-1/8" Hole
Reported to fit these Chevrolet vehicles:
Chevrolet
Bel Air 1959-75
Biscayne 1959-72
Impala 1959-75