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  • All Wiseco Pistons are forged from high silicon, low expansion aluminum which offers superior strength, reduced weight, improved heat transfer, and longer life.
  • Diamond turned finish from one of the many CNC computer controlled turning centers guarantees you a perfect finish with no size variation. Wiseco pistons can be installed in any of today’s cylinder bore compositions
  • Wiseco’s state-of-the-art computerized manufacturing facility is dedicated to supplying both the high-perfomance racer and recreational enthusiast with the finest forged piston available in today’s market place.

 
This item fits the following models:
 
Yamaha WR450F 2021
Yamaha YZ450F 2020 - 2021
Yamaha YZ450FX 2021