Part Numbers for bushings:
Ford:
2 sets of 2: E7GZ-7A133-A (7335) $6-$8 USD / set
1: E92Z-7L259-A <-- I never used this $10-$15 USD
Mazda
2 sets of 2: B001-46-062 $6-$8 USD / set
1: GJ21-46-041 <-- I never used this $10-$15 USD
Shift boot @ bottom of shifter: GJ25-46-090 $4-$8 USD
Also see:
http://www.mx6.com/forums/showthread...threadid=61060 (Instructions for Changing shifter bushings?)
http://www.mx6.com/forums/showthread...threadid=63904 (Opened BROKEN TRANNY...HERES YOUR PROBLEM CAFFEINE, REBEL,LOKTAI...MX6ERS BEWARE)
http://www.mx6.com/forums/showthread...&postid=485942