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S3 piston (OEM) valid for Gas Gas EC-MC-SM 125 bikes from 2001 to 2011
Includes piston, rings and bushing/screw.
Flat top version
NOT COMPATIBLE WITH MODELS EQUIPPED WITH AN ATHENA CYLINDER (USE PISTON FOR 2013-2015 MODELS)
Available sizes:
A= 53.94 mm
B= 53.95 mm
C= 53.96 mm