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The Mahle Performance plasma steel top ring set features an HVOF-applied molybdenum coating for improved scuff resistance and wear life. Specified for a 4.140" bore with a 1.0mm ring thickness and .143" radial width, this top ring is intended for engine rebuilds requiring precise dimensions and durable sealing at the combustion surface. It is produced to consistent tolerances for repeatable fitment in compatible pistons.
Mahle Rings Performance Plasma Steel Top Ring 4.140in x 1.0MM .143in RW HVOF Moly Ring Set
