What size speed nuts do the letters D O D G E on a 1970 Challenger use?
The hex is 5/16, the stud is 1/8" & the flange is 17/64....
This is a good match.... Box of 100 is $10.45...... https://www.mcmaster.com/#90533a132/=18jkpf4
Welcome Jamie
I knew they were very small but did not have the specs . Thanks Wild !