2023-2024 Superduty 4X4 RADIUS ARM DROP BRACKETS – 3.5" LIFT (CS-FRAD-LVL-23)Lifting a truck can negatively affect its caster, which can impact handling. These radius arm drop brackets are designed to drop the pivot point to achieve the ideal arm angle on trucks with a Carli 3. 5" lift. This helps correct the caster and improve the truck's handling, ensuring it holds a lane and returns to center after a turn better than a stock truck. Features Drops Pivot Point For Ideal Arm Angle on Carli 3. 5 Lift 1 4 Steel Construction,