Pistons & Piston Rings

Piston Rings, Performance, 3.465 in. Bore, 1.2mm, 1.2mm, 2.8mm, 4-Cylinder, 4 Sets

Part Number: MLE-8800MS-12

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Estimated Ship Date: Today

Piston and Rings, 3.012 Bore, 0.020 Oversize, Mariner 30HP 40HP, Kit

Part Number: WIS-3179P2

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Estimated Ship Date: Nov 17, 2025 if ordered today

Piston Rings, Moly, 4.030 in. Bore, 2.0mm, 1.5mm, 4.0mm Thickness, 8-Cylinder, Set

Part Number: SLP-E-530K30

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Piston Rings, Phosphate Coated, 4.080 in. Bore, 5/64 in., 3/32 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HSN-574030

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Estimated Ship Date: Today

Piston Rings, Performance Series, 4.145 in. Bore, 1/16 in., 1/16 in., 3/16 in., 8-Cylinder, Set

Part Number: MLE-4145MS

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Estimated Ship Date: Nov 25, 2025 if ordered today

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Piston Rings, Performance Series, 4.250 in. Bore, 1/16 in., 1/16 in., 3/16 in., 8-Cylinder, Set

Part Number: MLE-4250MS

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Nov 26, 2025 if ordered today

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Piston Rings, Plasma-moly, 4.320 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HSN-2M683070

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Piston Rings, Moly, 3.935 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 6-Cylinder, Set

Part Number: SLP-E-234K60

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Piston Rings, Premium Ductile Ring Sets, Plasma-moly, 4.181 in. Bore, 5/64 in., 1/16 in., 3/16 in. Thickness, L8, V8, Set of 8

Part Number: HSN-2M643030

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 24, 2025 if ordered today

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Piston Rings, Plasma-moly, 3.661 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: HSN-2M4790

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Piston Rings, Premium Ductile Ring Sets, Plasma-moly, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, L8, V8, Set of 8

Part Number: HSN-2M694

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Estimated Ship Date: Today

Piston Rings, Phosphate Coated, 4.155 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HSN-661030

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Estimated Ship Date: Today

Engine Piston Ring Set, 8-Cyl Ring Set; Phosphate

Part Number: HSN-6302

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Piston Rings, Premium Ductile Ring Sets, 0.030 in. Oversize, 3.780 in. Bore, Plasma-moly, 5/64 in., 5/64 in., 3/16 in. Thickness, H6, L6, V6, Set of 6

Part Number: HSN-2M656030

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Estimated Ship Date: Today

Piston Rings, Premium Ductile Ring Sets, 0.030 in. Oversize, 3.947 in. Bore, Plasma-moly, 1.2mm, 1.2mm, 2.0mm Ring Thickness, L8, V8, Set of 8

Part Number: HSN-2M5141030

Not Yet Reviewed

Estimated Ship Date: Today

Piston Rings, Performance Series, 4.040 in. Bore, 1/16 in., 1/16 in., 3/16 in., 8-Cylinder, Set

Part Number: MLE-4040MS

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 25, 2025 if ordered today

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Piston Rings, Cast Iron, 4.150 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-299X30

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Estimated Ship Date: Today

Piston Rings, Cast Iron, 4.080 in. Bore, 5/64 in., 3/32 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-180X30

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Estimated Ship Date: Today

Piston Rings, Performance Series, 4.080 in. Bore, 1/16 in., 1/16 in., 3/16 in., 8-Cylinder, Set

Part Number: MLE-4080MS

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Estimated Ship Date: Nov 25, 2025 if ordered today

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Piston Rings, Cast Iron, 3.563 in. Bore, 3/32 in., 3/32 in., 3/16 in. Thickness, 6-Cylinder, Set

Part Number: SLP-E-237X

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Piston Rings, Premium Ductile Ring Sets, Plasma-moly, 4.005 in. Bore, 1.5mm, 1.5mm, 4.0mm Thickness, L8, V8, W8, Set

Part Number: HSN-2M4726005

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 24, 2025 if ordered today

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Single Piston

Part Number: MAH-S0166

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2025 if ordered today

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Single Piston

Part Number: MAH-S2242897

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Estimated Ship Date: Dec 11, 2025 if ordered today

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Replacement Piston and Components: If not in stock, order MUST be placed to trigger singles. Average ETA of 3 business days if kits are in stock

Part Number: SUM-326S454000-2

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Estimated Ship Date: Today

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Engine Piston Ring Set, 8-Cyl Ring Set; Phosphate

Part Number: HSN-644030

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

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