Dress up your  semi truck interior  and chrome it if you can! Shifter extensions are recommended for off road and show use only. 1/2-13 UNC threads per inch.   3/4" diameter.   Matches Peterbilt gearshift thread size.   Installs between shifter shaft and gearshift base.

Want to make installation a breeze? Try out Quick Connect, item  319919 and Air Brake Tubing, item  319914 to easily extend your airlines.