This is a 5/8" instrument panel wedge bulb socket to fit many 1946-1973 GM vehicles.
Snaps into a 5/8" hole.
This wire harness has a socket base made of plastic along with a 20AWG wire with a 6" wire lead.
Choose from the drop down menu above to purchase 1 or 5 sockets at a discounted price.
Compatible bulbs: 158, 161, 168, 194, 2823, 2825, 2827, 906, 912, 921, W5W, etc.