Pistons, Rings, Wrist Pins, Bushings & More

Piston Rings, Gas Nitrided, 4.030 in. Bore, 1.2mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: JEP-JG31F840302

5.0 out of 5 stars ( 4 )

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Piston Rings, Stainless Steel Series Performance, Gas Nitrided, 4.030 in. Bore, 1.2mm, 1.2mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: HSN-SN9045030

4.0 out of 5 stars ( 2 )

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Piston Rings, Steel Series Performance, Plasma-moly, 4.040 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: HSN-SM8565040

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Piston Rings, Gas Nitrided, 4.070 in. Bore, 1.2mm, 1.5mm, 3.0mm, 8-Cylinder, Set

Part Number: JEP-JG31F8-40700

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Piston Rings, Steel Series Performance, Plasma-moly, 3.785 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: HSN-SM8531005

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Piston Rings, Gas Nitrided, 4.155 in. Bore, 1.2mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: JEP-JG31F841553

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 8, 2026 if ordered today

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Piston Rings, Stainless Steel Series Performance, Gas Nitrided, 4.040 in. Bore, 1.2mm, 1.2mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: HSN-SN9045040

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Piston Rings, Steel Series Performance, Plasma-moly, 4.070 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: HSN-SM8565070

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Piston Rings, Steel Series Performance, Plasma-moly, 4.005 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: HSN-SM8565005

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Piston Rings, Stainless Steel Series Performance, Gas Nitrided, 4.125 in. Bore, 1.2mm, 1.2mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: HSN-SN9050

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Piston Rings, Stainless Steel Series Performance, Gas Nitrided, 4.035 in. Bore, 1.2mm, 1.2mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: HSN-SN9045035

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 6, 2026 if ordered today

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Piston Rings, Stainless Steel Series Performance, Gas Nitrided, 4.070 in. Bore, 1.2mm, 1.2mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: HSN-SN9045070

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Piston Rings, Steel Series Performance, Plasma-moly, 4.025 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: HSN-SM8565025

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Piston Rings, Gas Nitrided, 4.155 in. Bore, 1.2mm, 1.5mm, 3.0mm Thickness, Single Piston, Set

Part Number: JEP-JG31F14155-3

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Piston Rings, Stainless Steel Series Performance, Gas Nitrided, 4.100 in. Bore, 1.2mm, 1.2mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: HSN-SN9045100

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Piston Rings, Steel Series Performance, Plasma-moly, 3.780 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: HSN-SM8531

1.0 out of 5 stars ( 2 )

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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, Steel Series Performance, Plasma-moly, 4.065 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: HSN-SM8565065

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Piston Rings, Plasma-moly, 4.135 in. Bore, 1.2mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: JEP-J75008-41355

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Estimated Ship Date: Apr 9, 2026 if ordered today

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Piston Rings, Stainless Steel Series Performance, Gas Nitrided, 4.045 in. Bore, 1.2mm, 1.2mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: HSN-SN9045045

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Estimated Ship Date: Apr 6, 2026 if ordered today

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

Part Number: HSN-SM8537005

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Piston Rings, Plasma-moly, 4.040 in. Bore, File Fit, 1.2mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: MAH-3150064045

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Estimated Ship Date: Apr 23, 2026 if ordered today

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Piston Rings, Individual Plasma-Moly Steel Piston Rings, Includes Top Ring Only, 4.005 in. Bore, File Fit, 1.2mm Thickness, V8, Set of 8

Part Number: MAH-3010002

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Estimated Ship Date: Apr 23, 2026 if ordered today

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Piston Rings, Steel Series Performance Piston Ring Sets, Plasma-moly, 3.780 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, Each

Part Number: HSN-SM8531S

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Estimated Ship Date: Mar 27, 2026 if ordered today

Piston Rings, Plasma-moly, 4.040 in. Bore, 1.5mm, 1.5mm, 4.0mm Thickness, 8-Cylinder, Set

Part Number: MAH-3150020040

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Estimated Ship Date: Apr 23, 2026 if ordered today

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