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The Mahle OE plain piston ring set applies OE-derived ring technology to reduce friction and oil use while supporting longer service life in rebuilds. MAHLE focuses on advanced ring design for dependable sealing. This plain set fits medium-duty Ford 6.1L (370) engines produced 1979–1992, providing an OEM-style replacement for that engine series.
Mahle Rings Ford Trk 370 6.1L Med. Duty Eng 79-92 Plain Ring Set
