Product information updated on 2021-08-25, Manufactured by BDS Suspension - Part Number BDS:123416, 2017+ Ford Super Duty Recoil traction bar mount kit, This kit box will now fit both the 3.5 and 4 inch axles, RECOIL Traction Bars BDS Suspension introduces a revolutionary spring loaded traction bar system engineered to improve traction and limit axle wrap without negatively affecting suspension travel or ride quality. These next generation RECOIL traction bars