[Vehicle Fitment-1]: Compatible with Ford F-250 Super Duty 1999-2006 (4WD; with 31mm Bar Diameter), fit for F-250 Super Duty 2017-2023 (4WD; with Monobeam Axle; with Narrow Frame), fit for F-350 Super Duty 1999-2006 (4WD; with 31mm Bar Diameter)
[Vehicle Fitment-2]: Compatible with Ford F-350 Super Duty 2017-2019 (4WD; with Single Rear Wheels (SRW)), fit for F-350 Super Duty 2020-2023 (4WD; with Monobeam Axle; with Narrow Frame), F-450 Super Duty 1999-2005 (4 X 4; with Monobeam Suspension; with 31mm Bar Diameter), F-550 Super Duty 1999-2004 (4 X 4; with Monobeam Suspension; with 31mm Bar Diameter)
[Reliable Performance]: The sway bar bushings are constructed from outstanding thermoplastic rubber, which exhibits exceptional resistance to aging and effectively withstands corrosion from impurities. Besides, the stabilizer bar bushings may help you resolve these problems: ① loose installation or abnormal functions ② strange squeaky and clunky noises ③ driving stability on bumpy roads