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Mahle OE performance plasma steel top ring, sized 4.270 in x 1.0 mm with .143 in RW HVOF moly coating, is a precision piston ring intended for engine service and rebuild applications. The plasma steel top ring construction and moly finish provide reliable sealing and wear characteristics expected in OE-grade replacement rings, suitable where this specific dimension and surface treatment are required.
Mahle Rings Performance Plasma Steel Top Ring 4.270in x 1.0MM .143in RW HVOF Moly Ring Set
