Piston Rings

Piston Rings, Plasma-moly, 4.250 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: TSR-CR91905

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Piston Rings, Performance Series, 4.250 in. Bore, File Fit, 1/16 in., 1/16 in., 3/16 in., 8-Cylinder, Set

Part Number: MLE-4255MS

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Piston Rings, Plasma-moly, 4.250 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: TSR-CR2090-5

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Piston Rings, Performance Series, 4.250 in. Bore, Plus 0.005 in., File Fit, 1.0mm, 1.0mm, 2.0mm, 8-Cylinder, Set

Part Number: MLE-4255MS-112

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Estimated Ship Date: Jan 29, 2026 if ordered today

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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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Piston Rings, Plasma-moly, 4.250 in. Bore, 1/16 in, 1/16 in. 3/16 in. Thickness, 8-Cylinder, Set

Part Number: JEP-J100F842505

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Estimated Ship Date: Jan 30, 2026 if ordered today

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Engine Piston Ring Set, Single Cyl Ring Set; Plasma Moly

Part Number: HSN-2M8510S035

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Estimated Ship Date: Jan 27, 2026 if ordered today

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Piston Rings, Plasma-moly, 4.025 in. Bore, 1.50mm, 1.50mm, 3.00mm Thickness, 8-Cylinder, Set

Part Number: MLE-4255MS-15

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Estimated Ship Date: Jan 29, 2026 if ordered today

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Piston Rings, Ductile Iron, 4.250 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: TSR-T2090-5

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Piston Rings, Ductile Iron, 4.250 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: TSR-M9190-5

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Piston Rings, Plasma-Moly, 4.250 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HRS-HRC486042505

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 3, 2026 if ordered today

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Engine Piston Ring Set, Single Cyl Ring Set; Plasma Moly

Part Number: HSN-SM8567S035

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Estimated Ship Date: Jan 27, 2026 if ordered today

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Engine Piston Ring Set, 8-Cyl Ring Set; Plasma Moly

Part Number: HSN-SM8567035

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Estimated Ship Date: Jan 27, 2026 if ordered today

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Engine Piston Ring Set, Single Cyl Ring Set; Plasma Moly

Part Number: HSN-SM8567S065

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Estimated Ship Date: Jan 28, 2026 if ordered today

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Engine Piston Ring Set, 8-Cyl Ring Set; Plasma Moly

Part Number: HSN-SM8567065

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Estimated Ship Date: Jan 28, 2026 if ordered today

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Engine Piston Ring Set, 8-Cyl Ring Set; Plasma Moly

Part Number: HSN-2M8510035

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Estimated Ship Date: Jan 27, 2026 if ordered today

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Engine Piston Ring Set, Single Cyl Ring Set; Plasma Moly

Part Number: HSN-2M8510S005

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Estimated Ship Date: Jan 27, 2026 if ordered today

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Engine Piston Ring Set, 8-Cyl Ring Set; Plasma Moly

Part Number: HSN-2M8510005

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Estimated Ship Date: Jan 27, 2026 if ordered today

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Engine Piston Ring Set, Single Cyl Ring Set; Plasma Moly

Part Number: HSN-2M5206S005

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Estimated Ship Date: Jan 27, 2026 if ordered today

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