Features:

• All piston skirts are coated with a hi-tech Molybdenum Disulphite coating for faster break-in time and increased piston life


• Cast Replica piston kits are gravity cast aluminum alloy (not forged) with 18% silicone content, which produces an extremely light but very strong piston


• Forged Replica pistons are forged from 2618 aluminum for superior strength and durability


• Forged High Compression pistons improve power and torque across entire rpm range


• Forged Big Bore pistons increase engine’s displacement, torque, and peak horsepower


• Forged Replica pistons are forged OE replacements


• All pistons are heat treated with a T-5 hardening and tempering cycle


• Replica pistons and all rings are OEM replacements


• Kits include piston, rings, wrist pin and circlips


• Two stroke replacement rings are sold individually (Example if your piston has two rings you will want to order two rings)


• Four-stroke piston rings sold as a set

Fitment:
2019 Yamaha YZ250F
2020 Yamaha WR250F
2020 Yamaha YZ250F
2020 Yamaha YZ250FX
2021 Yamaha WR250F
2021 Yamaha YZ250F
2021 Yamaha YZ250FX
2022 Yamaha WR250F
2022 Yamaha YZ250F
2022 Yamaha YZ250FX