The NY Strip is a re-badge of the KC Strip.
In fact, once when I was in Vegas on business I won a bet on the correct name of the strip steak.
The waiter at Ruth's Chris correctly stated that the original nomenclature for the strip was the Kansas City Strip rather than the NY Strip.
The best named version of this particular cut of meat is the Playboy Strip from Jess & Jim's in Martin City, which is a 25 ounce cut that was featured in Playboy magazine as the best steak in America back in the day.