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The Mahle OE Moly ring set is specified as a plasma-moly ductile top compression ring sized 4.5850 x 1/16 with a .210 ring width, supplied as an OE-style moly ring pack. It’s intended for piston rebuilds where a moly-coated compression ring is required to match piston diameter and service limits. Verify piston dimensions and service specifications to confirm correct fitment before installation.
Mahle Rings 4.5850 x 1/16 Plasma-Moly Ductile Top Compression Ring .210 RW Moly Ring Set
