Miata springs come in several rate and height choices as further explained in the Miata spring product descriptions below. In general, the Progress Miata springs have proven most popular here with Miata street drivers for many years thanks to their combination of reasonable cost, mild rate increase, and mild lowering, and highest available quality. Customer Chip Barclay's Miata shown here with our Progress Springs, KONI SPORT Miata Shocks, and our 17x8 Advanti Racing Storm S1 Miata Wheels. If your factory shocks have over 40,000 miles they are worn out, don't install new springs on ancient worn out shocks, start any new set of springs with FRESH set of shocks and fresh set of bumpstops.
