Yep, noticed this early on. They're not very good, and made of plastic. The Moog upgrades have zerk fittings and are metal. Significant improvement in body roll.
The inner bushings are polyurethane from the factory, so you won't be needing to replace them any time soon.
The inner bushings are polyurethane from the factory, so you won't be needing to replace them any time soon.