The springs are specifically made to fit the top bore shocks. Pair of 2. the key benefit and good thing about modern springs is while the car initially goes into the corner they work like soft springs to give maximum traction. In addition, when the chassis starts to roll, in the center of the part, the spring rate progressively increases until they work like a difficult springs allowing the automobile to keep up maximum cornering speed.
Like all of those other XRAY springs, these springs are manually calculated, chosen and matched into pairs to guarantee correctly equal length and damping traits.