1972 B-Body Caliper?

[RJS]

What does these casting #'s on this caliper tell us???
I can't remember if this an original to my car or if I replaced it.

Thanks Ron

 

[Dragon Slayer]

Answered on other web. Not original. OEM have KH and casting part #.

 

[446acuda.2]

Here’s a picture of set that I have. I think they are from a 72 Coronet