Does ultra shift clutch actuators fit 8ll

Here is a serial number for an 89 Autocar with that set up if it helps you check on parts. 504229
Used to get parts from the White dealer. Last time I needed OEM parts Volvo said " I can't help you." but Western Star did?
The hard part would be setting up the master cylinder and replacing the left clutch shaft. Left clutch shafts are normally a product of the truck manufacture not Fuller. I thank the fork and and shaft can be removed out the inspection hole but it is no fun.
Swapping out that air cylinder on an Autocar was not much better.
Maybe someone can get you a serial number of a Pete with their set up as well?