Wiseco Yamaha YZ 400 77-78/IT 40077-78 3425TD Piston Kit

Wiseco's legacy is rooted in 2-stroke piston manufacturing and performance, dating over 80 years ago back to 1941. Today, Wiseco 2-stroke pistons are the result of decades of experience, incorporating the latest in 2-stroke piston manufacturing and design to deliver the performance Wiseco built its name on.

This Part Fits:

Year	Make	Model	Submodel
1977-1978	Yamaha	IT400	Base
1977-1978	Yamaha	YZ400	Base

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