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Mahle File Fit Rings

5.0 out of 5 stars 3 Customer Reviews

Mahle Motorsports offers a variety of file fit piston rings which allow you to control the ring end gap. Rings are typically oversized so they can be custom fit for the cylinder. The file fit piston ring sets are available via finished bore size, and include top ring, second ring, and oil rings for the cylinder application.

Results 1 - 25 of 48

Piston Rings, 4.065 in. Bore, 1.0mm, 1.0mm, 2.0mm Thickness, 8-Cylinder, Set

Part Number: MLE-4070MS-112

5.0 out of 5 stars ( 1 )

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Piston Rings, 4.165 in. Bore, 1.0mm, 1.0mm, 2.0mm Thickness, 8-Cylinder, Set

Part Number: MLE-4170MS-112

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Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

Piston Rings, File Fit, 4.130 in. Bore, HV385 Thermal, 1.0mm, 1.0mm, 2.0mm, 8-Cylinder, 8 Sets

Part Number: MLE-4135MS-112

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Piston Rings, 4.440 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: MLE-4445MS-15

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Piston Rings, File Fit, 3.905 in. Bore, HV385 Thermal, 1.0mm, 1.0mm, 2.0mm, 8-Cylinder, 8 Sets

Part Number: MLE-3910MS-112

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Piston Rings, 4.350 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: MLE-4355MS-15

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Piston Rings, File Fit, 4.530 in. Bore, Plasma-moly, 1.5mm, 1.5mm, 3.0mm, 8-Cylinder, 8 Sets

Part Number: MLE-4535MS-15

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Piston Rings, File Fit, 4.000 in. Bore, HV385 Thermal, 1.0mm, 1.0mm, 2.0mm, 8-Cylinder, 8 Sets

Part Number: MLE-4005MS-112

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Piston Rings, File Fit, 4.090 in. Bore, HV385 Thermal, 1.0mm, 1.0mm, 2.0mm, 8-Cylinder, 8 Sets

Part Number: MLE-4095MS-112

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Piston Rings, File Fit, 3.905 in. Bore, HV385 Thermal, 1.0mm, 1.0mm, 2.0mm, 8-Cylinder, 1 Set

Part Number: MLE-3910MS-112-1

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Piston Rings, File Fit, 4.145 in. Bore, HV385 Thermal, 1.0mm, 1.0mm, 2.0mm, 8-Cylinder, 8 Sets

Part Number: MLE-4150MS112

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Piston Rings, File Fit, 4.600 in. Bore, Gas Nitrided, 1.5mm, 8-Cylinder, 8 Sets

Part Number: MLE-4600GNS-15T

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Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

SINGLE PISTON RING SET

Part Number: MLE-4095MS-112-1

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Piston Rings, File Fit, 4.005 in. Bore, HV385 Thermal, 1.0mm, 1.0mm, 2.0mm, 8-Cylinder, 8 Sets

Part Number: MLE-4010MS-112

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Estimated Ship Date: Mar 2, 2026 if ordered today

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Piston Rings, File Fit, 3.947 in. Bore, Plasma-moly, 1.5mm, 1.5mm, 3.0mm, 8-Cylinder, 8 Sets

Part Number: MLE-3947MS-15

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Estimated Ship Date: Mar 2, 2026 if ordered today

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SINGLE CYLINDER RING SET

Part Number: MLE-4355MS-15-1

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Estimated Ship Date: Mar 2, 2026 if ordered today

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Piston Rings, File Fit, 4.130 in. Bore, Plasma-moly, 0.043 in., 1.5mm, 3.0mm, 8-Cylinder, 8 Sets

Part Number: MLE-4135MS-1115

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Estimated Ship Date: Mar 2, 2026 if ordered today

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Piston Rings, File Fit, 4.140 in. Bore, Plasma-moly, 0.043 in., 1.5mm, 3.0mm, 8-Cylinder, 8 Sets

Part Number: MLE-4145MS-1115

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Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

Piston Rings, File Fit, 4.310 in. Bore, Gas Nitrided Top Ring, 1.5mm, 8-Cylinder, 8 Sets

Part Number: MLE-4310GNS-15T

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SINGLE PISTON RING SET

Part Number: MLE-4325MS-15-1

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4.045"+0.005 .043", .043", 3.0mm File Fit Rings, Low Tension, Single Cylinder

Part Number: MLE-4050ML-043-1

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4.245"+0.005 1.0, 1.0, 2.0mm File Fit Rings

Part Number: MLE-4250MS-112-1

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4.025"+0.005 1.0, 1.0, 2.0mm File Fit Rings

Part Number: MLE-4030MS-112-1

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Piston Rings, File Fit, 4.500 in. Bore, Plasma-moly, 1.5mm, 1.5mm, 3.0mm, L1, 1 Set

Part Number: MLE-4505MS-15-1

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Piston Rings, File Fit, 4.560 in. Bore, Gas Nitrided Top Ring, 1.5mm, 8-Cylinder, 8 Sets

Part Number: MLE-4560GNS-15T

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Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today