WISECO offers you a high-quality piston kit , designed to provide optimum compression and maximum engine performance . Manufactured from precision-forged aluminum , this piston provides excellent resistance to heat, wear and high pressure, ensuring enhanced durability and reliability . Its advanced design optimizes combustion, reduces internal friction and improves engine power and responsiveness , while ensuring stable , consistent operation even under the most demandingdriving conditions .

Fits on :

YAMAHA IT 400 1978

YAMAHA IT 400 1977

YAMAHA YZ 400 1978

YAMAHA YZ 400 1977