New anti-roll bar bush for all mk1 models of MX-5 & Eunos Roadster with standard anti-roll bars, 1989-98. If your car is feeling a little less responsive in  the corners than it used to, often a simple change of these bushes will bring back the tautness it used to have. 

Genuine Mazda part.

NM00251. NA01-34-156.