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This JE Pistons steel nitrided top ring is an individual replacement top piston ring intended for use where a nitrided steel top ring is specified. Nitriding hardens the steel surface to resist wear while maintaining ring sealing function in combustion chambers. Sold individually for piston rebuilds or custom ring sets, it addresses top-ring wear and sealing in engines designed for steel nitrided rings.
JE Pistons Individual Ring Top Ring - Steel Nitrided Top Ring
