BendPak 5700060 Roll Back Kit For Alignment LiftsBendPak 5700060 Roll Back Kit For Alignment Lifts These steel bars a specially designed to bridge the gap between the BendPak alignment lifts runways and turn plates. Sold in pairs only. For Use With BendPak Four Post Alignment Lift Heavy Truck Models HDS 18A, HD 27A, HD 27XA, HD 35A and HD 35XA Even the slightest bump or imperceptible interruption can ruin a perfect alignment job. These steel bridges ease the transition from the vehicle's tires