Piston Rings

Piston Rings, Moly, 4.020 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: SLP-E-921K20

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Piston Rings, 4.020 in. Bore, 5/64, 5/64, 3/16, .200 in. Deep Oil Groove, Moly Top Ring, Set

Part Number: SLP-E-251K20

4.8 out of 5 stars ( 10 )

Estimated Ship Date: Today

Piston Rings, Cast Iron, 4.020 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-251X20

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Piston Rings, Plasma-moly, 4.020 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: MAH-41858CP020

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Piston Rings, Plasma-moly, 4.020 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: MAH-40564CP020

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Piston Rings, Plasma-moly, 4.020 in. Bore, 1/16 in. 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: JEP-S100S8-40205

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 27, 2026 if ordered today

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Piston Rings, Standard Piston Ring Sets, Cast Iron, 4.020 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, V8, Set

Part Number: MAH-50564CP020

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Piston Rings, 4.020 in. Bore, 5/64 in., 5/64 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-4000AM8-020

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Piston Rings, Plasma-moly, 4.020 in. Bore, 1.2mm, 1.5mm, 2.5mm Thickness, 8-Cylinder, Set

Part Number: MAH-42084CP020

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Piston Rings, Plasma-moly, 4.020 in. Bore, 1/16 in, 1/16 in. 3/16 in. Thickness, 8-Cylinder, Set

Part Number: JEP-J100F84020-5

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Estimated Ship Date: Jan 27, 2026 if ordered today

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Piston Rings, Plasma-moly, 4.020 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: TSR-CR9090-20

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Estimated Ship Date: Jan 21, 2026 if ordered today

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Piston Rings, Plasma-Moly, 4.020 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HRS-HRC486040205

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Estimated Ship Date: Mar 2, 2026 if ordered today

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Piston Rings, Plasma-moly, 4.020 in. Bore, 2.0mm, 1.5mm, 4.0mm Thickness, 8-Cylinder, Set

Part Number: TSR-CR6264-25

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Piston Rings, Oil Ring, Carbon Steel, 4.020 in. Bore, 3/16 in. Thickness, Single Piston, Each

Part Number: JEP-H340200316FC

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Estimated Ship Date: Jan 26, 2026 if ordered today

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Piston Rings, Plasma-moly, 4.020 in. Bore, 1/16 in, 1/16 in. 3/16 in. Thickness, 8-Cylinder, Set

Part Number: JEP-J10008-40205

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Estimated Ship Date: Jan 26, 2026 if ordered today

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Piston Ring, Second Ring, Phosohate Coated, 4.020 in. Bore, 1/16 in. Thickness, Each

Part Number: JEP-P240205116IP

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Estimated Ship Date: Jan 26, 2026 if ordered today

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RING-4.020 1.5mm,3mm STL TOP

Part Number: MAN-46112ST-8

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Piston Rings, Gas Ported, Classic Steel, 4.020 in. Bore, 1mm, 1mm, 2mm Thickness, 8-Cylinder, Set

Part Number: TSR-CS1124020GP

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Estimated Ship Date: Jan 21, 2026 if ordered today

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Piston Rings, Plasma-moly, 4.020 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-R990220

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Estimated Ship Date: Jan 26, 2026 if ordered today

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