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Mahle plasma‑moly top ring set sized for 4.145 in bores, listed as a 1.5mm/.151 ring with a plasma‑moly steel top ring design. This performance ring set supplies replacement top rings at the specified dimensions for engine rebuilds and repairs. Packaged for applications that call for a 4.145 in ring diameter, it provides the listed ring geometry for correct seating and operation where plasma‑moly rings are specified.
Mahle Rings Performance 4.145in x 1.5MM .151 RW Plasma-Moly Steel Top Ring Moly Ring Set
