Speedometer Cable Grommet

Good luck! Best bet is Steel Rubber. Scroll down to grommets. Let us know the correct one. I found the grommet for the AC line through the radiator support here.

https://d163axztg8am2h.cloudfront.net/static/doc/c0/57/fff0e82c46bedb3c7cba7ce871c5.pdf
Thanks, Jim! Looks like 32-0422-20 will fit the bill. I just wonder if that 1/4 ID will stretch to go over the nut. I might have to get a few. lol