Pistons & Piston Rings

Piston, Pro LS, 4.000 in. Bore, Forged Aluminum, Flat Top, 0.945 Pin Diameter, Chevy, Each

Part Number: SUM-326S454000-2

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Estimated Ship Date: Today

Piston Rings, Moly, 4.060 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: SLP-E-921K60

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

Piston Rings, Performance Series, 4.320 in. Bore, File Fit, 1/16 in., 1/16 in., 3/16 in., 8-Cylinder, Set

Part Number: MLE-4325MS

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• Free Shipping

Piston Rings, Moly, 4.090 in. Bore, 5/64 in., 3/32 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-180K40

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Estimated Ship Date: Today

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. Ring Thickness, V8, Set of 8

Part Number: HSN-2M568030

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Piston Rings, Premium Ductile Ring Sets, 0.040 in. Oversize, 4.039 in. Bore, Plasma-moly, 1/16 in., 1/16 in., 3/16 in. Thickness, L8, V8, Set of 8

Part Number: HSN-2M5523040

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Piston Rings, Plasma-moly, 4.309 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HSN-2M683060

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Piston Rings, Premium Ductile Ring Sets, Plasma-moly, 3.630 in. Bore, 1.2mm, 1.2mm, 2.5mm Thickness, L8, V8, Set of 8

Part Number: HSN-2M4599

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Piston Rings, Moly, 3.875 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-245K

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Piston Rings, Premium Ductile Ring Sets, Plasma-moly, 3.907 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, L8, V8, W8, Set

Part Number: HSN-2M4897010

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Piston Rings, Cast Iron, 3.750 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-240X

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Piston Rings, Moly, 3.950 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-178K40

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Single Piston

Part Number: MAH-S0031

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Estimated Ship Date: Sep 5, 2025 if ordered today

• Drop Ship
• Special Order

Piston Rings, Performance Series, 4.060 in. Bore, File Fit, 1/16 in., 1/16 in., 3/16 in., 8-Cylinder, Set

Part Number: MLE-4065MS

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Estimated Ship Date: Today

• Free Shipping

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

Part Number: SLP-E-301K

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Estimated Ship Date: Today

Piston Rings, Moly, 4.110 in. Bore, 5/64 in., 3/32 in., 3/16 in. Thickness, V8, Set

Part Number: SLP-E-180K60

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Piston Rings, Piston Ring Sets, Phosphate Coated, 4.000 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, L8, V8, Set of 8

Part Number: HSN-C5532

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Piston Rings, Performance Series, 4.375 in. Bore, File Fit, 1/16 in., 1/16 in., 3/16 in., 8-Cylinder, Set

Part Number: MLE-4380MS

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Aug 25, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston Rings, Moly, 4.000 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 6-Cylinder, Set

Part Number: SLP-E-920K

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

Part Number: SLP-E-458K30

4.8 out of 5 stars ( 5 )

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

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Piston Rings, Premium Ductile Ring Sets, Plasma-moly, 4.360 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, L8, V8, W8, Set

Part Number: HSN-2M598

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Piston Rings, 4.040 in. Bore, 1/16 in., 1/16 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-4000BM8-040

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Piston, Pro LS, 4.030 in. Bore, Forged Aluminum, Dish, 0.927 Pin Diameter, Chevy, Each

Part Number: SUM-110S274030-8

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Estimated Ship Date: Today

Piston Ring Set

Part Number: HSN-2N5295

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Estimated Ship Date: Aug 12, 2025 if ordered today