8-Ball shift knob

[481]

So I have this old 8-ball and I was thinking it would look good as my shift knob. I went out to my car and tried to unscrew the one that was on there, and it feels like it is cemented in place for all eternity! Every shift knob I have ever removed has been either a push on or a regular right hand threaded knob. Are these left hand thread or something?? I couldn't find anything online but I figured one of you guys would know. Maybe it has some loctite on it and I need to heat it up?

It is a '99 Rover Sportspack, I can take pictures if need be.

[94touring]

My 99 rover shift knob unthreads normally, at least from what I recall when I took it off years ago.  Perhaps yours has something glueing it on. 

[notabmw]

Pretty sure they are 3/8 course threads

BTA both my cars have8 ball shifter knobs

[481]

Good gawd that dash is SEEEXXAYY!  :o

[joltfreak]

they are 5/16 course thread
just changed mine!