Wiseco Yamaha RD 350/400 (64.5M-2539CD-393M) 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
1973-1975	Yamaha	RD350	Base
1976-1979	Yamaha	RD400	Base