Features:
- All piston skirts are coated with a hi-tech Molybdenum Disulphite coating for faster break-in time and increased piston life
- Forged Big Bore pistons increase engine’s displacement, torque, and peak horsepower
- All pistons are heat treated with a T-5 hardening and tempering cycle
- Kits include piston, rings, wrist pin and circlips
Fitment:
2003 Yamaha WR450F
2003 Yamaha YZ450F
2004 Yamaha WR450F
2004 Yamaha YZ450F
2005 Yamaha WR450F
2005 Yamaha YZ450F
2006 Yamaha WR450F
2006 Yamaha YZ450F
2007 Yamaha WR450F
2007 Yamaha YZ450F
2008 Yamaha WR450F
2008 Yamaha YZ450F
2009 Yamaha WR450F
2009 Yamaha YZ450F
2010 Yamaha WR450F
2010 Yamaha YZ450F
2011 Yamaha WR450F
2011 Yamaha YZ450F
2012 Yamaha WR450F
2012 Yamaha YZ450F
2013 Yamaha WR450F
2013 Yamaha YZ450F
2014 Yamaha WR450F
2015 Yamaha WR450F