- Engineereed specifically for Yamaha dirt bikes to be resistant to impact and fatigue
- Built from race proven designs to Yamaha factory specifications
- Chosen by the top race teams in all forms of racing including super cross, motocross, GNCC, superbike, and more
- Maximizes HP and service life in Yamaha Dirt Bikes and offroad vehicles
- Fits the following rides Yamaha WR 450 F 2003; Yamaha YFZ 450 2012-2013; Yamaha YFZ 450 S 2004-2008; Yamaha YZ 450 F 2003-2005
State of the art quality. Meet or Exceeds OEM specification. Athena is OEM of most motorcycle manufacturers.
