Alto recently announced two new bushing kits for 10-speed transmissions.
The first is an 11-piece bi-metal bushing kit for the 10-speed Ford 10R60 transmission, model years 2020 and on. The various pieces can be seen in the image above. The Alto part no. is 242625B.
The second (Alto part no. 236625) is a 13-piece bi-metal bushing kit for the Allison 10L1000 transmission, model years 2020 and on. The full extent of this kit can be seen in the image below.