Stock/Street class SCCA Autocross does not allow spring changes, but does allow bumpstop changes, these TALL stops effectively raise the rates in the only manner that is legal and they help re-balance the car since the rules also effectively permit change of only the front sway bar.
We use the highest quality MCU (*micro*-cellular polyurethane) available, to give the suspension more compliance. This safely maximizes suspension travel, increases comfort and enhances your driving enjoyment at the limit. Even if you only commute, you'll appreciate how well these kits work - at less than OE prices!
These are the stock class version, 58mm Red bump stop goes in the front and the 58mm White bump stop goes in the rear.