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, Pro GPX Gas Ported, 4.000 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP400015

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Piston Rings, Pro GPX Gas Ported, 4.000 in. Bore, File Fit, Plasma-moly, 5/64 in., 5/64 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP400064

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Piston Rings, Plasma-moly, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: TSR-CR9090-5

5.0 out of 5 stars ( 3 )

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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, 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, Pro GPX Gas Ported, 4.000 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP400016

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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, Gas Ported, Plasma-moly, 4.000 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: TSR-CR3690GP-5

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Estimated Ship Date: Nov 2, 2026 if ordered today

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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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Estimated Ship Date: Nov 2, 2026 if ordered today

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Piston Rings, Plasma-moly, 4.000 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: TSR-CR3690-5

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Piston Rings, Plasma-moly, 4.000 in. Bore, File Fit, 5/64 in., 5/64 in., 3/16 in., 8-Cylinder, Set

Part Number: SLP-R93435

3.5 out of 5 stars ( 2 )

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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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Piston Rings, Plasma-moly, 101.727mm Bore, 1.5mm, 1.5mm, 4.0mm Thickness, 8-Cylinder, Set

Part Number: TSR-CR6434-5

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 3, 2026 if ordered today

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

Part Number: TSR-CSH2010-5

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Estimated Ship Date: Nov 2, 2026 if ordered today

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Piston Rings, Pro GPX Gas Ported, 4.000 in. Bore, File Fit, Gas Nitrided, 1.0mm, 1.0mm, 2.0mm Thickness, V8, Set

Part Number: SUM-GP400010

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Piston Rings, Ductile Plasma-moly Top, Iron Phosphate Second, Standard Tension Oil, File Fit 4.000 in. Bore, 1/16 in., 1/16 in., 3/16 in., V8, Set

Part Number: JEP-S100S8-40005

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Estimated Ship Date: Nov 11, 2026 if ordered today

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1/16-1/16-3/16

Part Number: JEP-J10001-40005

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Nov 11, 2026 if ordered today

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Piston Rings, Gas Ported, Plasma-moly, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: TSR-CR9090GP

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Estimated Ship Date: Nov 3, 2026 if ordered today

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Piston Rings, Plasma-moly, 4.000 in. Bore, 0.043 in., 0.043 in., 3.0 mm, Thickness, 8-Cylinder, Set

Part Number: JEP-J71408-40005

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Estimated Ship Date: Nov 11, 2026 if ordered today

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1.5 CAST/HOOK 2ND

Part Number: JEP-S24000515IPE

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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: Dec 4, 2026 if ordered today

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Piston Rings, Plasma-moly, 4.000 in. Bore, 1/16 in, 1/16 in. 3/16 in. Thickness, 8-Cylinder, Set

Part Number: JEP-J100F8-40005

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Estimated Ship Date: Nov 11, 2026 if ordered today

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Piston Rings, Plasma-moly, 4.000 in. Bore, 1.2 mm, 1.2 mm, 3.0 mm Thickness, Single Cylinder, Set

Part Number: JEP-J92601-40005

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