Re: 70 Chevelle Original GM Front Disc Brake Calipers
Pretty sure that letter "J" is a September casting date.
What's the final assembly day & date of each caliper itself?
I can barely make the whole stamping out,it should be either a 5 or 6 digit code stamped on both here.
It'll denote the year @ the end of either one too with a 70 for 1970.
|