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Mahle file-fit piston rings sized 4.615 inch plus 0.005 inch include two 0.043 inch rings and a 3.0 mm oil ring section in a file-fit configuration for precise rebuilding. These rings require end-gap and side-clearance finishing to match cylinder bores, making them suitable when custom fitment is needed rather than a direct drop-in. Use them for engine builds where exact tolerances are necessary to restore sealing and oil control performance.
Mahle MS 4.615in+.005in .043in .043in 3.0mm Steel STD Tension File Fit Rings
