BendPak LR-4A Arm Kit for Low-Rise LiftsBendPak LR 4A Arm Kit for Low Rise Lifts The LR 4A arm attaches easily to the low rise lift ramp so you can reach contact points that might be closer together on your frame. The easy slide design allows the LR 4A to move along the ramp rail giving you the power to position the lifting arm anywhere under your vehicle. The LR 4A Arm Kit is easy to use and mounts quickly and easily on BendPak Low Rise Lift Models LR 1000, LR 60, LR 60P, P 6 and P 6F.