Please help me identify this K-member

Jim Harvard to answer your M code question I have to agree with 1969383S and 65Val if you want to be correct you are going to have to find an original M code piece. The 340 "washer" k frame is desireable but I wont put a price on it, I have only owned "common":rolleyes: 318 k frames.
There is also the possibility of creating a CLONE M code k frame as there are HEMI copies SS/A being produced.
Maybe you get in touch with HemiDenny through FABO. Good luck.

Nothing special for M-Code. It used the standard 68/69 BB K. They are out there.

Jim at last talk was not concerned with correctness.