Conversation so far:
Who did Jeff Jarrett defeat to become world heavyweight camp?
In May, Jarrett won and lost the WCW World Heavyweight Championship on two further occasions, regaining the title from Ric Flair both times.
Was he involved in any feuds?
times.
Jarrett feuded with Nash and Hulk Hogan throughout June 2000, and on July 9 at Bash at the Beach, he faced Hogan.

Question: How long did he remain champion?
Self-contained rewrite: How long did Jeff Jarrett remain champion?