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Mahle file-fit piston ring set supplies reliable sealing for oversized 4.320 in bores (+0.005 in), helping restore compression during engine rebuilds. The set is intended for precise installation where file-fitting is used. Rings include 1.5 mm top, 1.5 mm second and a 3.0 mm oil ring thickness, packaged for builders who need accurate ring sizing and consistent fit in repaired cylinders.
Mahle MS 4.320in+ .005in 1.5 1.5 3.0 mm File Fit Rings
