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 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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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 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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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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Estimated Ship Date: Monday 3/23/2026 if shipped by air

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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

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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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 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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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, 3.785 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: HSN-SM8531005

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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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 13, 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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Estimated Ship Date: Monday 3/23/2026 if shipped by air

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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, 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, 4.070 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, 4.005 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, Steel Series Performance Ring Sets, 0.030 in. Oversize, 4.030 in. Bore, Plasma-moly, 0.043 in., 0.043 in., 3.0mm, L8, V8, Set of 8

Part Number: HSN-SM5587030

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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, 4.035 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, 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, 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, Stainless Steel Series Performance, Gas Nitrided, 4.155 in. Bore, 1.2mm, 1.2mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: HSN-SN9050030

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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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Estimated Ship Date: Monday 3/23/2026 if shipped by air

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

Part Number: HSN-SM8556035

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Engine Piston Ring Set, Single Cyl Ring Set; Plasma Moly

Part Number: HSN-SM8556S

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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, 4.165 in. Bore, 1.2mm, 1.2mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: HSN-SN9050040

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Estimated Ship Date: Apr 6, 2026 if ordered today

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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, 3.917 in. Bore, 1.2mm, 1.2mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: HSN-SN9040010

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

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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