I feel like I should know what this is for, but I’m drawing a blank.
Champion? Spark plug related?
Google image search is baffled , it seems.
From a friend’s collection.
He doesn’t know either!
3/8 drive , no ratchet, only turns part way.
Attachments
IMG_1216.jpeg (109.83 KB, 139 downloads)
image.jpg (165.79 KB, 133 downloads)

Last edited by Steelonsteel; 03/14/2026 2:59 AM.
~Charley
1954 Chevy 3100 with 235
“Bud”
Follow along in the DITY
1963 Chevy half ton stepside short box 230
1954 GMC 3 ton 302
And several more Chevy camper and work trucks 1979 1987 1996