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The Mahle OE chrome ring set for a 4.040-inch bore includes CP20 oil rings with a 4.0mm edge width and standard tension, supplied as a chrome ring set intended to restore factory-style oil control and sealing during an engine rebuild. This OE-form replacement preserves the specified ring profile and tension characteristics for the stated bore size when installed to correct engine tolerances.
Mahle Rings 4.040in Bore Dia 4.0MM Edge Width CP20 Oil Ring Std Tension Chrome Ring Set
