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| SKU | WISB1021 |
| MPN | B1021 |
| GTIN | 193564104526 |
| Certifications | None |
| Material | Bearing Steel |
| Color/Finish | Silver |
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1978-1981 | Yamaha | DT175 | Base |
| 1977-1981 | Yamaha | IT175 | Base |
| 1979-1981 | Yamaha | MX175 | Base |
| 1976 | Yamaha | YZ175 | Base |
Experience superior engine performance and reliability with the Wiseco 16 x 20 x 22.5mm Top End Bearing. Engineered to meet the demanding needs of high-performance and racing engines, this top quality bearing is designed for durability and precision fitment. It provides exceptional resistance to wear and heat, ensuring your engine components operate smoothly under extreme conditions.
Crafted by Wiseco, a trusted name in performance engine components, this bearing is a perfect upgrade or replacement part for enthusiasts and professional mechanics alike. Its compact dimensions make it suitable for a range of applications where top end bearing integrity is critical.
Choose Wiseco for your bearing needs and enjoy peace of mind with components that deliver consistent performance and longevity. Perfect for tuning projects, repairs, and high-stress motorsport environments, this top end bearing helps maintain your engine's efficiency and power output.
Crafted by Wiseco, a trusted name in performance engine components, this bearing is a perfect upgrade or replacement part for enthusiasts and professional mechanics alike. Its compact dimensions make it suitable for a range of applications where top end bearing integrity is critical.
Choose Wiseco for your bearing needs and enjoy peace of mind with components that deliver consistent performance and longevity. Perfect for tuning projects, repairs, and high-stress motorsport environments, this top end bearing helps maintain your engine's efficiency and power output.
Customer reviews
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We want to deliver parts fast, efficiently, and with ease. Our mission is to continue to provide just that. To provide large inventory and efficient logistics while maintaining great service. As well as a community with like-minded auto enthusiasts that share the same passion as we do.

















