We have observed a steep rise in demand for kits with special bolts for 9 track control arms for Ford, Mazda and Volvo. The underlying reason is that the bolts must always be replaced because they are locking bolts that cannot be reused. Additionally, when the bolts are affected by corrosion, which is often the case, the mechanic must cut them when replacing the track control arm.
The mounting kit - Triscan # 8500 16400 - is the same for all 9 track control arms and is sold as a separate item/kit. It fits the rear track control arm of these very popular car models amongst others: