PISTON CYLINDER RINGS FOR CHAINSAW ENGINE CS 25EC-S CS 25EC-SC Diameter 36 D.PIN 8 PISTON CPL BM 017719 HITACHI Code: 017720 Original code: OCHIAI-AMORI OCS 2801 CHAINSAW ENGINE Diameter 36 D.PIN 8 COMPLETE PISTON BM 017719 ENGINE CHAINSAW TAS-TANAKA TCS 2801S TCS 2801SC Diameter 36 D.PIN 8 COMPLETE PISTON BM 017719 AT