Piston Rings

Piston Rings, Gas Nitrided Steel Top, Martensitic Ductile Napier Second, Std. Tension Oil, File Fit for 4.000 in. Bore, 1.2mm, 1.2mm, 3.0mm, Set

Part Number: SUM-136SN9045005

4.29 out of 5 stars ( 7 )

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Piston Rings, Plasma-moly, 4.000 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: HSN-2M4860

4.83 out of 5 stars ( 6 )

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Piston Rings, Plasma-moly, 4.000 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: MAH-41858CP

5.0 out of 5 stars ( 1 )

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Piston Rings, Moly, 4.000 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: SLP-E-921K

4.5 out of 5 stars ( 10 )

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Piston Rings, Stainless Steel Series Performance, Gas Nitrided, 4.000 in. Bore,, 1.2mm, 1.2mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: HSN-SN9045

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Piston Rings, Performance Series, 4.000 in. Bore, File Fit, 1.5mm, 1.5mm, 3.0mm, 8-Cylinder, Set

Part Number: MLE-4005MS-15

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Piston Rings, Pro GPX Gas Ported, 4.000 in. Bore, File Fit, Gas Nitrided, 1.2mm, 1.2mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP400012

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Piston Rings, Performance Piston Ring Sets, Moly, 4.000 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-cylinder, Set

Part Number: SLP-E-921X

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Piston Rings, Standard Piston Ring Sets, Cast Iron, 4.000 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set

Part Number: MAH-51785CP

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Piston Rings, HF Series, 4.000 in. Bore, File Fit, 1/16 in., 1/16 in., 3.0mm, Single Piston, Set

Part Number: WIS-4005HF

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Piston Rings, Premium Ductile Ring Sets, Standard Size, 4.000 in. Bore, Plasma-moly, 1.5mm, 1.5mm, 3.0mm Ring Thickness, H6, L6, V6, Set of 6

Part Number: HSN-2M4862

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Piston Rings, Premium Ductile Ring Sets, Plasma-moly, 4.000 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, for Single Piston, Set

Part Number: HSN-2M4860S

5.0 out of 5 stars ( 1 )

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Piston Rings, Moly, 4.000 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 6-Cylinder, Set

Part Number: SLP-E-920K

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Piston Rings, Phosphate Coated, 4.000 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: HSN-4860

5.0 out of 5 stars ( 1 )

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Piston Rings, Plasma-moly, 4.000 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: TSR-CRH2010-5

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Piston Rings, Gas Nitrided, 4.000 in. Bore, 0.047 in., 0.047 in., 3.0mm Thickness, Single Piston, Set

Part Number: WIS-4000GFX

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

Part Number: HSN-2M5538

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Estimated Ship Date: May 14, 2026 if ordered today

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Piston Rings, GM Geniune Parts, 4.000 in. Bore, Standard Size, Includes Rings for One Piston, Cadillac, Chevrolet, GMC, Hummer, 6.0L LS, 1 Set

Part Number: ADO-88894243

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Piston Rings, Standard Piston Ring Sets, Cast Iron, 4.000 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, V6, Set

Part Number: MAH-51786CP

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Piston Rings, Performance, 4.000 in. Bore, Plasma-moly, 1.5mm, 1.5mm, 3.0mm, 8-Cylinder, 8 Sets

Part Number: MLE-4000MS-15D

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Estimated Ship Date: May 15, 2026 if ordered today

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Engine Piston Ring Set 96-14 CHV/GMC/IZU/OLD 4.3L

Part Number: EGN-C10216STD

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Estimated Ship Date: May 21, 2026 if ordered today

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Engine Piston Ring Set, Single Cyl Ring Set; Phosphate

Part Number: HSN-4860S

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Estimated Ship Date: May 14, 2026 if ordered today

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HASTRACE 8-CYL RING SET

Part Number: HSN-SN9065005

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Estimated Ship Date: May 14, 2026 if ordered today

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Piston Rings, Plasma-moly, 4.000 in. Bore, File Fit, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: MAN-46110-8

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Estimated Ship Date: Jun 12, 2026 if ordered today

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