Compatibility: Fits Nissan Frontier 2005-2023 2WD 4WD **Does not fit PRO-4X models or vehicles with rear shackle suspensions. **Rear kit will work only for models with spring over axle suspension setup. Please check rear setup before ordering. **Factory 1/2" u-bolts will be replaced with upgraded 9/16" u-bolts which may requires enlarging retainer plate holes. For more details, pls check compatibility Chart. Specifications: .