Piston Rings

Piston Rings, Plasma-Moly, 4.040 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SUM-134-CM553240

4.0 out of 5 stars ( 5 )

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Piston Rings, Plasma-moly, 4.040 in. Bore, 1/16 in. 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: JEP-S100S8-40405

5.0 out of 5 stars ( 1 )

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Piston Rings, Plasma-moly, 4.040 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: TSR-CR369040

5.0 out of 5 stars ( 1 )

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Piston Rings, 4.040 in. Bore, 1/16 in., 1/16 in., 3/16 in., Ductile, Plasma-moly, File Fit, 8-Cylinder, Set

Part Number: UEM-4000BD8-045

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Piston Rings, Performance Series, 4.040 in. Bore, File Fit, 1/16 in., 1/16 in., 3/16 in., 8-Cylinder, Set

Part Number: MLE-4045MS

5.0 out of 5 stars ( 1 )

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Piston Rings, 4.040 in. Bore, 1/16 in., 1/16 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-4000BM8-040

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Piston Rings, Plasma-moly, 4.040 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-R990240

4.83 out of 5 stars ( 6 )

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Piston Rings, Performance Series, 4.040 in. Bore, 1/16 in., 1/16 in., 3/16 in., 8-Cylinder, Set

Part Number: MLE-4040MS

4.0 out of 5 stars ( 1 )

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Piston Rings, Plasma-moly, 4.040 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, Single Piston, Set

Part Number: WIS-4040H

5.0 out of 5 stars ( 2 )

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Piston Rings, Plasma-moly, 4.040 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: TSR-CRL3690-45

2.0 out of 5 stars ( 1 )

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Piston Rings, Gas Ported, Plasma-moly, 4.040 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: TSR-CR3690GP-45

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Estimated Ship Date: Nov 4, 2026 if ordered today

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Piston Rings, Plasma-moly, 4.040 in. Bore, 1/16 in, 1/16 in. 3/16 in. Thickness, 8-Cylinder, Set

Part Number: JEP-J100F840405

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Estimated Ship Date: Nov 11, 2026 if ordered today

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Piston Rings, Plasma-moly, 4.040 in. Bore, 1/16 in., 1/16 in., 3.0mm Thickness, 8-Cylinder, Set

Part Number: MAH-3150049040

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Estimated Ship Date: Nov 23, 2026 if ordered today

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Piston Rings, Plasma-moly, 4.040 in. Bore, 1/16 in, 1/16 in. 3/16 in. Thickness, 8-Cylinder, Set

Part Number: JEP-J10008-40405

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Estimated Ship Date: Nov 11, 2026 if ordered today

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Piston Rings, Plasma-moly, 4.040 in. Bore, File Fit, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: MAN-46354-8

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Estimated Ship Date: Dec 4, 2026 if ordered today

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Piston Rings, Plasma-moly, 4.040 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: MAH-3150036040

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Piston Rings, Ductile Iron, 4.040 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: TSR-T3690-40

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Estimated Ship Date: Nov 3, 2026 if ordered today

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Piston Rings, Cast Iron, 4.040 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: TSR-CL369040

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Estimated Ship Date: Nov 3, 2026 if ordered today

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Piston Rings, Performance Series, 4.040 in. Bore, File Fit, 1/16 in., 1/16 in., 3/16 in., 8-Cylinder, Set

Part Number: MLE-4045ML

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Estimated Ship Date: Nov 9, 2026 if ordered today

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Piston Rings, Plasma-moly, 4.040 in. Bore, 1/16 in, 1/16 in. 3/16 in. Thickness, Single Piston, Set

Part Number: JEP-J100F1-40405

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Piston Rings, Plasma-moly, 4.040 in. Bore, 1/16 in., 1/16 in., 1/8 in. Thickness, 8-Cylinder, Set

Part Number: EW1-454045

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Piston Rings, Ductile Iron, 4.040 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: TSR-T3690-45

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Estimated Ship Date: Nov 4, 2026 if ordered today

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Piston Rings, Steel, 4.040 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: TSR-CS3690-45

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Estimated Ship Date: Nov 4, 2026 if ordered today

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Piston Rings, Ductile Iron, 4.040 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: TSR-M3690-45

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Estimated Ship Date: Nov 4, 2026 if ordered today

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Piston Rings, Ductile Iron, 4.040 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, Single Cylinder, Set

Part Number: TSR-T3690-45-1

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Estimated Ship Date: Nov 3, 2026 if ordered today

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