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2FastMoto Replacement Piston Kit.
Includes, Piston, pin, rings and clips.
Replaces the piston in our 70cc Big Bore kit.
Center of Pin to top: 23mm
Warning: This product may contain a chemical known to the State of California to cause cancer, birth defects or other reproductive harm. (yes, this is a ridiculous message, but we are required to put it here)