Totally integrated ball and needle roller bearing system for 1969 to 1986 911 rear spring plates.

- 4130 Steel Spring Plates - 4mm thickness - same as O.E. spring plates
- Sealed oversized outboard ball bearing in anodized aluminum carrier
- Inboard needle bearing concealed behind lip seal for weather protection
- 12mm ride height adjuster screw with cross drilled 8mm set screw to lock ride height adjuster and accurately maintain desired corner weight settings.
- Design allows for removal or replacement of torsion bars without dissassembly or rear suspension (torsion bars must be drilled and tapped for extraction)
- Comprehensive instructions included to assist with assessment and correction for wear, tear and accident distortion.
- Kit included all necessary hardware for installation.