HERE IS A NEW GENUINE GM PART. 
RETAINER RING AT THE STEERING  COLUMN UPPER LOCK PLATE.
.675" INSIDE DIAMETER 
PLEASE MATCH FOR YOUR NEEDS

This is a Genuine GM upper steering column bearing or lock plate retainer for 1966-2021 GM models. 
This piece is a round wire retainer that holds the upper bearing or lock plate in position.For vehicles with or without tilt.