Piston Rings

Piston Rings, Moly, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-251K30

4.42 out of 5 stars ( 48 )

Estimated Ship Date: Today

Piston Rings, Cast Iron, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-251X30

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

Piston Rings, Phosphate Coated, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HSN-139030

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

Piston Rings, Gas Nitrided, 4.030 in. Bore, 1.2mm, 1.2mm., 3.0mm Thickness, Single Piston, Set

Part Number: WIS-4032GFX

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Piston Rings, Premium Ductile Ring Sets, 0.030 in. Oversize, 4.030 in. Bore, Plasma-moly, 1.5mm, 1.5mm, 3.0mm, Includes Ring Set for One Piston, Each

Part Number: HSN-2M4860S030

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Piston Rings, Performance, Plasma-moly, 4.030 in. Bore, 1.0mm, 1.0mm, 2.0mm Thickness, Single Piston Ring Set, V8, Set

Part Number: MLE-4035MS-112-1

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Piston Rings, Plasma-moly, 4.030 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, Single Piston, Set

Part Number: WIS-4030H

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Piston Rings, Moly, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 6-Cylinder, Set

Part Number: SLP-E-229K30

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Piston Rings, Premium Ductile Ring Sets, 0.030 in. Oversize, 4.030 in. Bore, Plasma-moly, 5/64 in., 5/64 in., 3/16 in. Thickness, H6, L6, V6, Set of 6

Part Number: HSN-2M592030

Not Yet Reviewed

Estimated Ship Date: Today

Piston Rings, Plasma-moly, 4.030 in. Bore, 1/16 in., 1/16 in., 3.0mm Thickness, Single Piston Set

Part Number: WIS-4035HF

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

Piston Rings, Piston Ring Sets, Phosphate Coated, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, for Single Piston, Set

Part Number: HSN-139S030

Not Yet Reviewed

Estimated Ship Date: Today

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

Part Number: HSN-CM5532S030

Not Yet Reviewed

Estimated Ship Date: Today

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

Part Number: HSN-2M5170S030

Not Yet Reviewed

Estimated Ship Date: Today

Piston Rings, Plasma-moly, 4.030 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, Single Cylinder, Set

Part Number: TSR-CR3690-35-1

Not Yet Reviewed

Estimated Ship Date: Today

Engine Piston Ring Set 53-94 AMC/BUI/CAD/CHV/CHR/DOD/FRD/GM/GMC/JEP/LIN/MER/OLD/PLY/PON 4.3L/4.7L/4.9L/5.0L/5.3L/5.7L/5.8L/5.9L/6.0L/6.4L/6.6L

Part Number: EGN-R40058030

Not Yet Reviewed

Estimated Ship Date: May 8, 2026 if ordered today

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

Part Number: HSN-2M5538S030

Not Yet Reviewed

Estimated Ship Date: Today

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

Part Number: HSN-2M5521S030

Not Yet Reviewed

Estimated Ship Date: Apr 30, 2026 if ordered today

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

Part Number: HSN-2M5662S030

Not Yet Reviewed

Estimated Ship Date: Today

Piston Rings, Plasma-moly, 4.030 in. Bore, 1.2 mm, 1.0 mm, 3.0 mm Thickness, Single Cylinder, Set

Part Number: JEP-J91501-40305

Not Yet Reviewed

Estimated Ship Date: Today

4.025"+0.005 1.0, 1.0, 2.0mm File Fit Rings

Part Number: MLE-4030MS-112-1

Not Yet Reviewed

Estimated Ship Date: Today

Piston Rings, Standard Piston Ring Sets, Cast Iron, 3.736 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, V6, Set

Part Number: MAH-51240CP030

Not Yet Reviewed

Estimated Ship Date: Today

Piston Rings, Premium Piston Ring Sets, Plasma-moly, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, L4, Set

Part Number: MAH-41240CP030

Not Yet Reviewed

Estimated Ship Date: Today

Engine Piston Ring Set 77-93 AMC/BUI/CHV/GM/GMC/JEP/PON 2.5L/4.3L

Part Number: EGN-R40054030

Not Yet Reviewed

Estimated Ship Date: May 7, 2026 if ordered today

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

Part Number: HSN-2M8571S030

Not Yet Reviewed

Estimated Ship Date: Apr 30, 2026 if ordered today

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• Special Order