Raceco, RB3, or Hess are your options. The JSport is built by RB3. I’ve had the Hess for over a year now and have beaten the hell out of it without issue. I went with Hess because they use a larger rack gear and offered the stiffener plate for the mount. Once you see how thin that mounting plate is you’ll appreciate it. I think @Hometeam has the RB3 in a few of his machines so he might be able to chime in there. RB3 has been a long time site sponsor as well so you can’t go wrong there.
Any of them are a significant upgrade over the stock unit. Just make sure to buy the right one for your machine if you’ve got a live valve with a shaft mounted steering angle sensor (believe it’s ‘22 and down LV machines, but they may have moved it on the ‘22 models). There are splines and a mounting tab for those that you need to install the SAS.