If you have that irritating half-inch of steering wheel play on your STi, Perrin is giving you the solution here at a price lower than any of the competition. If you're cross shopping other brands, note that these ARE urethane bushings, (the description doesn't say for sure) they are significantly stiffer than OEM, and the overall feel is a huge improvement. Steering feels much more direct and connected now versus slightly loose and sloppy thanks to the worn, soft OEM bushings - five stars for that alone! Bang for buck this is a killer deal.
Installation isn't bad and can be done relatively easily with the rack still in the car. You do have to disconnect the steering shaft which is always a little nerve-wracking and pressing in the bushings isn't the easiest (the instructions offer zero help on that, but are otherwise just fine) but all things said I'd consider it a pretty easy one-day job for a solo weekend DIY-er like myself. If you're looking for a simple job that'll dramatically increase your confidence in your car, look no further!