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