If you are looking for a high quality piston for your project/build, this ready to race UMA Racing hardened forged piston will handle anything you throw at it.
Supports Yamaha 2 valve engines. Requries extra machining before being used. Includes piston pin, clip and rings.
- OEM part number: 1JD–E1631–00, 4S9–E1631–10 and similar
- Piston Diameter: 55.25mm
- Pin diameter: 13mm
- Includes piston rings, pin, circlip
Yamaha Lagenda/SRL110/Crypton/Jupiter/Vega/Spark T105 T110