All parts are manufactured to meet or exceed the original part it is replacing. Bronco wheel bearing & seal kit include all bearings and seals necessary to do a wheel bearing rebuild and feature:

• High-speed bearings meet ABEC industry recision standards.
• Sealed bearings use double or triple lip seals with stainless steel garter
• Springs to better keep the grease in and the water and dirt out. 
• Premium grease contains rust and oxidation inhibitors