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The Mahle OE plain second ring set is a direct replacement plain compression ring for restoring proper sealing on compatible pistons. It’s specified at 3.8750 in diameter with a 5/64 in edge width and a standard ring gap. This set uses grey iron construction and RBT standard gap sizing to match OE dimensions for service and rebuild applications.
Mahle Rings 3.8750in X 5/64in Edge Width Grey Iron RBT Std Gap Second Ring Plain Ring Set
