Stihl MS661 Pop Up 56mm Wiseco CCC Racing Piston 1.2mm ring

This exclusive piston is 56mm and runs a standard 1.2mm Caber or OEM iron ring, for use in standard Stihl bores. 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.