Piston Rings

Piston Rings, Gas Nitrided Steel Top, Martensitic Ductile Napier Second, Std. Tension Oil, File Fit for 4.040 in. Bore, 1.2mm, 1.2mm, 3.0mm, Set

Part Number: SUM-136SN9045045

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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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Estimated Ship Date: Feb 16, 2026 if ordered today

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Piston Rings, 4.040 in. Bore, Cast Iron, 3mm., 2.38mm, 4mm, Thickness, Single Cylinder, Set

Part Number: MAH-S42170020

5.0 out of 5 stars ( 1 )

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Piston Rings, Plasma-moly, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: MAH-3150034040

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 13, 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: Feb 16, 2026 if ordered today

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4.040+5 1.2 1.2 3.0 8CYL

Part Number: TSR-MSH470845

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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: MAH-3150036045

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Estimated Ship Date: Feb 16, 2026 if ordered today

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Piston Rings, Plasma-moly, 4.040 in. Bore, File Fit, 0.043 in., 0.043 in., 3.0mm Thickness, 8-Cylinder, Set

Part Number: MAH-3150059045

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Estimated Ship Date: Feb 16, 2026 if ordered today

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

Part Number: MAH-3150049045

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Estimated Ship Date: Feb 16, 2026 if ordered today

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