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The Mahle OE plain ring set is specified for a 3.932 in bore with a 1.0 mm section and .136 in radial width, supplied as a plain ring set for precise engine rebuild applications. These rings are intended to match the listed dimensions and plain ring profile for technicians and engine builders replacing second rings where that bore and section are required.
Mahle Rings Performance Steel Napier 2nd Ring 3.932in x 1.0MM .136in RW Plain Ring Set
