Description
A worn or damaged piston compromises combustion efficiency, reduces power output, and risks catastrophic engine failure. The Wiseco K130 kit delivers a complete top-end rebuild solution with OEM-quality fitment and performance-grade materials, restoring your RD400 to factory specifications or beyond. Whether you’re prepping for track days or rebuilding after high-mileage wear, this kit provides the precision engineering and durability that Wiseco has delivered for over six decades.
- Fits: Yamaha RD400 1976–1979
- Kit includes: Pistons, ring sets
- Also includes: Piston pins, retainer clips
- Also includes: Head gasket
- Material: Aerospace-grade aluminum alloy
- Forging process: Premium forged construction
- Finish: Precision-machined, ready-to-install
- Compression ratio: OEM-equivalent specs
- Installation: Bolt-on replacement, standard rebuild
- Dyno tested: Performance verified
- Made in: USA
- Warranty: Manufacturer backed
