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 )

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Prem Piston Ring Set

Part Number: SLP-E979K20

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Piston Rings, 4.020 in. Bore, Cast Iron, 3mm., 2.38mm, 4mm, Thickness, Set

Part Number: MAH-S42170

5.0 out of 5 stars ( 1 )

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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Engine Piston Ring Set, 6-Cyl Ring Set; Plasma Moly

Part Number: HSN-2M592020

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Estimated Ship Date: Jan 23, 2026 if ordered today

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

Part Number: HSN-2M4726020

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Estimated Ship Date: Jan 23, 2026 if ordered today

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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

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

Part Number: HSN-2M5523020

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Estimated Ship Date: Jan 23, 2026 if ordered today

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

Part Number: HSN-2M4626020

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Estimated Ship Date: Jan 23, 2026 if ordered today

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Piston Rings, Phosphate Coated, 4.020 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 6-Cylinder, Set

Part Number: HSN-592020

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Estimated Ship Date: Jan 23, 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-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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Engine Piston Ring Set, 8-Cyl Ring Set; Triple Chrome

Part Number: HSN-2C577020

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Estimated Ship Date: Jan 23, 2026 if ordered today

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4.020+5 1/16 1/16 3/16 1CYL

Part Number: TSR-TS369025-1

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Piston Rings, Premium Ductile Ring Sets, 0.020 in. Oversize, 4.020 in. Bore, Plasma-moly, 1.5mm, 1.5mm, 3.0mm Ring Thickness, H6, L6, V6, Set of 6

Part Number: HSN-2M4862020

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Estimated Ship Date: Jan 23, 2026 if ordered today

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Engine Piston Ring Set, 6-Cyl Ring Set; Phosphate

Part Number: HSN-4720020

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Estimated Ship Date: Jan 23, 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-J500F8-40205

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