stock FLAT top replacement piston for garelli NOI engines with factory aluminum cylinders!!
dual 2mm ring piston with piston, rings, wrist pin and clips included. may work on other garelli engines but check the dimensions to make sure this will work for you! is known to fit early garelli katia models.
39.96mm bore size B
12mm wrist pin size
istance from top to center of wrist pin opening = 25mm
total length = 47mm
