Set-5 Cylinder Head Intake & Exhaust Valve Kit For Yamaha YFZ450 YFZ450R 2004-2023 YZ450F 03-09 WR450F 03-15. Fit for Yamaha WR450F (2003 - 2015). Fit for Yamaha YFZ450 (2004 - 2009). Fit for Yamaha YZ450F (2003 - 2009).
This product would be ideal for Yamaha WR450F and YZ450F riders who seek improved airflow and performance for their engine.
