As the test car for the sc300/mkiv brakes, ive seen how much work has gone in to the whole kit, the kit includes everything to install the brakes, and are so much larger than the stock brakes i couldnt belive it. before i even got to drive the car. i was so excited by how much better they look on the car.. once i finally got to drive on them i couldnt belive how much my tires sucked. ha. before the brakes i would have to slam on the brakes as hard as i could to get the abs to come on. now i use less than half the force to get the tires to start chirping. i havent had a chance to run the brakes with any sticky tires, but ive ridin in the owner of AZP's supra. he has 245 kumho r compound drag radials up front. and all i have to say is wholy crap. the car stops so fast.. and ive owned many mkiii supras... they are fat pigs with no brakes... and yeah. i would recomend the kit to anyone. and for the price.. it cant be beat.