Stihl MS661 Big Bore Pop Up 58mm Wiseco CCC Racing Piston

This exclusive piston is 58mm and runs a 1mm Japanese chrome faced steel ring, for use in nikasil bores only. Specially designed for racing applications, this piston is meant to be light , fast and strong.

This piston features a pop-up.

CCC Racing pistons are made for us by Wiseco, Race Winning Brands.