The ones I had were OK except (I have concluded) for an earlier model.
I had previously been unaware that they came in 2 pin sizes, but mine did
have the orientation mark and the serrations on the body where it presses
into the control arm. I had previously used QH parts and found them OK but
without enough grease in them as received. I have since found a pair on
ebay and asked the fellow to measure them, which he did and the size he
reports are correct. He took them off the auction and I am sending him the
money for them today, a very good price. I believe I'll do better this time.

Not sure what to say about the ones you got other than they were either
defective or maybe for a different application. It might be that they
were lower ones which are not orientation-sensitive. (The lower ones are
ring-shaped and the upper ones have a longitudinal slot so front-rear motion
is limited). If they fit right (tight enough) I'm not sure the serrations
are an absolute requirement, although I did have an A-frame on my 164 which
had been bent and straightened, in which the ball joint was not tight enough
and would come out if I tried to jack it up by the A-frame. I've since
replaced it. I suspect that maybe both lower ones on that might have been
from a 144 since they take the 66375 bushings that are somewhat smaller,
like used on the 122. If I find a bargain set of huskier A-frames I might
change them if for no other reason, for durability of the bushings.
--
George Downs, Bartlesville, Oklahoma, Central US