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The Mahle OE moly ring set is specified for a 4.000‑inch bore and includes a 5/64‑inch moly top ring. Offered as an OE‑style moly ring set, it provides compatible piston ring dimensions for rebuilding or machining standard engines requiring a 4.000‑inch cylinder bore and the stated top‑ring thickness and material type.
Mahle Rings 4.000in Bore Dia 5/64in Moly Claimer Top Ring Moly Ring Set
