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The Mahle OE chrome ring set is specified for a 3.4646 in bore with 3.0 mm section thickness and .146 ring width, offered as a chrome finished assembly. Intended for engine rebuilds or production where those exact dimensions are needed, the ring set provides standardized sizing and chrome surface treatment in the listed specification.
Mahle Rings Std Tension CP20 Oil Ring Assembly 3.4646 Bore x 3.0MM .146 RW Chrome Ring Set
