Hastings Premium Ductile Ring Sets

4.54 out of 5 stars 139 Customer Reviews

Whether it's a car, truck, motorcycle, marine, or performance racing application—properly sealing the piston to the engine block is a requirement. Hastings premium ductile ring sets do just that, and they're offered in many different options to fit virtually any piston. If the engine you're working on is blowing smoke, using excessive oil, or at a loss for power, it may be time for new rings. These premium ductile piston ring sets are great for rebuilds or new builds, daily drivers or performance vehicles. Order the sizes needed for your project.

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Hastings Premium Ductile Ring Sets 2M4726

Piston Rings, Premium Ductile Ring Sets, Standard Size, 4.000 in. Bore, Plasma-moly, 1.5mm, 1.5mm, 4.0mm Ring Thickness, L8, V8, Set of 8

Part Number: HSN-2M4726

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Hastings Premium Ductile Ring Sets 2M5141

Piston Rings, Premium Ductile Ring Sets, Standard Size, 3.917 in. Bore, Plasma-moly, 1.2mm, 1.2mm, 2.0mm Ring Thickness, L8, V8, Set of 8

Part Number: HSN-2M5141

3.67 out of 5 stars ( 3 )

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Hastings Premium Ductile Ring Sets 2M4726030

Piston Rings, Premium Ductile Ring Sets, 0.030 in. Oversize, 4.030 in. Bore, Plasma-moly, 1.5mm, 1.5mm, 4.0mm Ring Thickness, L8, V8, Set of 8

Part Number: HSN-2M4726030

5.0 out of 5 stars ( 1 )

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Hastings Premium Ductile Ring Sets 2M5141020

Piston Rings, Premium Ductile Ring Sets, 0.020 in. Oversize, 3.937 in. Bore, Plasma-moly, 1.2mm, 1.2mm, 2.0mm Ring Thickness, L8, V8, Set of 8

Part Number: HSN-2M5141020

Not Yet Reviewed

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Hastings Premium Ductile Ring Sets 2M5141030

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

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Hastings Premium Ductile Ring Sets 2C139030

Piston Rings, Premium Ductile Ring Sets, Chrome, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-cylinder, Set

Part Number: HSN-2C139030

Not Yet Reviewed

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Hastings Premium Ductile Ring Sets 2M4726020

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

Part Number: HSN-2M4726020

Not Yet Reviewed

Estimated Ship Date: Feb 6, 2026 if ordered today

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Estimated Ship Date: Feb 6, 2026 if ordered today

Hastings Premium Ductile Ring Sets 2M4726005

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 )