There are 6 North American P-51K aircraft on the U.S. registry that TailWiki has a page for. Every one is built from the public FAA record — year, serial, engine, home base, and registration history — and owners and pilots add photos, trips, and stories on top.
N5151T
1944 North American P-51K
Sarasota, FL
N98CF
1944 North American P-51K
Houston, TX
N451K
North American P-51K
Fargo, ND
N51EW
North American P-51K
Los Angeles, CA
N60752
North American P-51K
Bemidji, MN
N89DN
North American P-51K
New Berlin, WI