JL/JT & JK Adjustable Front Upper Bump Stops Billet Aluminum Complete w/ Steel Shims Hardware Wrench Height Adjustment Range 189-315 Inch RockJock 4x4RockJock Adjustable Front Bump Stops for JL JT front as well as JK front are a completely different take on the concept of bump stops! So unique in fact that they were awarded SEMA's 2023 Best New Off Road 4 Wheel Drive Product of the year! In high articulation situations, an axle housing mounted bump stop ends up rotating inward toward the center of the vehicle, often missing the upper bump stop entirely. By lowering the front bump stop, and being