Wiseco Yamaha YZ 400 77-78/IT 40077-78 3366TD Piston Kit

Classic Forged 2-stroke pistons are perfect for those looking to rebuild their 2-stroke engine with reliable, high-quality components. These pistons cover a wide range of Powersports rebuilds, including vintage motocross models, classic street bikes, and snowmobiles. The forged material improves tensile strength over cast pistons, ensuring refreshed performance on the track or the trail.

This Part Fits:

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