All Balls Swingarm Bearing Kit (28-1076)
- Yamaha WR 400F 1998
- A quality swing arm repair kit from All Balls Racing.
- Bushings are case hardened and plated to prevent wear and corrosion.
- POM composite washer bearings replace thrust needle washers for superior resistance to water and dirt and increase service life.
- Shafts are made from 52100 bearing steel, through hardened and precision ground.
- Needle Bearings are made from 52100 bearing steel and ARC61-65 heat treated ST13 steel shell.
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