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It turned out that finding suitable springs was not an easy task (I had to search for them). Eventually, I found the springs, but the price of used springs was quite high, 4 thousand rubles. I decided to buy them since the time and fuel spent on searching would have been more costly in the end. I picked up the springs from some diesel Crown, with a wire diameter of 1.65-1.7 mm. External diameter is 132mm, number of coils is 11. Of course, I had to cut them, and I didn't cut enough, so I'll need to cut more. Removing the springs is troublesome, and installing them even more so. We remove the wheel, unscrew the upper and lower ball joints, aramitizer, reaction rod, stabilizer rod, then we take out the spring. Before installing a new spring, it must be tightly pulled with binders and tied with strapping tape, after which the binders are removed and the spring is installed in its place. After installation, we lift the lower control arm of the suspension and then untie the strapping tape (the strapping tape needs to be tightened so that it is not squeezed when the spring is put back into place). And then we reassemble the suspension in reverse order.

Those who have problems with installing the reaction rod in the right position should work with the steering wheel to catch the correct position of the lower control arm (work with a wrench may not provide the desired effect).

Finally, now driving does not cause discomfort, you can drive over bumps calmly) previously, the suspension did not work at all because it was resting on bump stops