Doctor Isotope dot Com is... 
These replace the bushings under the shifter cage, and come in two heights: OEM height, to improve shifter feel and take the away the sloppiness of the factory rubber bushings, and .600", which raises the entire cage for smoother shifting with a shortened throw shifter.
Includes (4) solid delrin cage bushings, (4) washers, and (4) 8mm x 35 bolts.


Combo pack of the above two products.
Includes (4) solid delrin cable bushings, (4) solid delrin cage bushings, (4) washers, and (4) 8mm x 35 bolts.