Piston set Athena aluminum 39,97mm for Zündapp KS 50, CS MG00064158

Sport piston for tuning with holes in the inlet area to tighten the timing, including pin, piston ring and clips, suitable for various Zündapp mopeds such as KS 50, CS, CX, Hai, GTS, C 50 Sport, ZD, ZL, ZS with 278cc engine. Rectangular piston ring, size: D 39.97mm, manufactured by Athena in Italy.