This is a Metri-pack connector housing This housing has a variety of uses on your vehicle wiring harness such as: Horn, solenoid, oil and water temperature sending units.
We stock just about every connector housing and terminals for GM vehicles 1955-1976. If you don't see what you need please contact us!
We also sell the correct crimp tool to give you that quality factory style crimp. Crimping tool can be found by clicking here