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The Mahle OE plain second-ring set is specified for a 3.551-inch bore with a 1.5mm edge width and RBT finish. Sold as a plain second ring set, these rings restore piston sealing and compression control when rebuilding or repairing engines. Use this OE-quality replacement to match the original ring dimensions for reliable ring seating and consistent combustion sealing in compatible engine builds.
Mahle Rings 3.551 Bore Dia 1.5MM Edge Width RBT Second Ring Plain Ring Set
