Bi-piston segment TNT Original 40mm for kits 50cc on CPI, GENERIC ... (type engine am6)

Here is the spare piston kit high 50cc Ø40mm on minarelli motorcycle guy like GENERIC am6, CPI and other models. The piston is delivered complete as presented with its axis of piston Ø12mm X 33mm, its chrome segments for 1.2 mm and piston clips C.