NOTE: As these are alloy they WILL ADD noise to the gearbox at low revs when under minimal load. These are a HEAVY DUTY MX5 BUSH and designed to run in race, circuit and track cars where they are under extra load and strain.
This article outlines the issue experienced by the MX5 NC gearbox and the various remedies depending on the application - road or track. They also fit RX8’s.
One set of 3 required per gearbox.