Suspension bushes are some of the most highly stressed components fitted to a motor car. They undergo enormous strains in harsh conditions with no maintenance or lubrication.Powerflex bushes are tried, tested and proven in motorsport, which means they deliver outstanding performance. Their innovative design and superior materials offer dramatic improvements in handling and give a more precise feel through the corners.Benefits: Prolonged tyre life Improved performance Increased safety Greater cost-effectiveness Description:Rear Diff Mount InsertDiagram reference: 30Part Number:PFR36-630Pack Size: 2Fitment: Mazda MX-5, Miata, Eunos Mk4 ND (2015-)Fitment Note: This part fits into and fills voids in original bushes fitted in bracket with OE part number NA5F 39730 and fits manual versions only. These inserts are designed be a quick and easy method of limiting movement of the diff and providing greater stability under acceleration.Please check all the above details to ensure these bushes will fit your car. If you aren't sure please contact us and we'll be happy to assist!ID-Workz Ltd is an authorised Powerflex dealer. Shop the full Powerflex range along with many other performance parts in our store!