Soft bump stop, comes 76mm, can be trimmed as shown all the way down to 36mm if you want.
As used in our GWR bump stop kits but here sold individually so you can mix and match as you want. Can be used front or rear on all 1990 to 2005 Miatas, with all shock choices we offer (also can cut in half and use smaller diameter part at one end and wider/higher rate half at the other end of the car). Some stock class customers trim these to precisely 60mm, which is limit under stock class rules and effectively raises your spring rate because you are using them with every turn.
MIATA NA/NB 1990-1997
MIATA NA/NB 1990-1997 · Power Steering
MIATA NA/NB 1990-2005