The kit will include all the items needed for installation. You will reuse your bolts to connect the arms to the chassis.
This solid bushing is a slip fit for installation, similar to stock. This removes the compliance from the rubber or polyurethane bushing and locks your rear lower control arm and the trailing arm into a solid arm.
- Pair of Trailing Arm to Rear LCA solid bushings (comes with new nuts and washers for the trailing arm) (EF-2003-RSB)
I wrote an article about the spherical bearings and how it compares to poly bushings.