The TeraFlex Microcellular Bump Stops have been designed to reduce the suspension compressing impacts that are associated with harsh bumpstop bottoming.The design features performance tuned closed-cell nitrogen charged microcellular polyurethane technology that provides a true progressive bump stop that will not fade or dissipate under extreme heavy use.The Microcellular Bump Stops can also handle extreme temperatures, and harsh elements of the trail while maintaining a high level of flexibility.
These are going to be for the rear.