Pistons & Piston Rings

Piston Rings, Premium Ductile Ring Sets, Plasma-moly, 3.780 in. Bore, 2.0mm, 2.0mm, 4.75mm Thickness, Ford, Mercury, 2.3L, Set of 4

Part Number: HSN-2M5613

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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: Feb 18, 2026 if ordered today

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Piston Rings, Performance Series, 4.185 in. Bore, 1/16 in., 1/16 in., 3/16 in., 8-Cylinder, Set

Part Number: MLE-4185MS

5.0 out of 5 stars ( 2 )

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Piston Rings, Plasma-moly, 4.250 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: TSR-CR91905

5.0 out of 5 stars ( 1 )

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Piston Rings, Plasma-moly, 4.070 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HSN-2M139070

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Piston Rings, Plasma-moly, 4.280 in. Bore, 1/16 in, 1/16 in. 3/16 in. Thickness, 8-Cylinder, Set

Part Number: JEP-J10008-42805

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Piston Rings, Pro GPX Gas Ported, 4.100 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP410015

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Piston Rings, Performance Series, 4.030 in. Bore, File Fit, 1/16 in., 1/16 in., 3/16 in., 8-Cylinder, Set

Part Number: MLE-4035ML

5.0 out of 5 stars ( 2 )

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Piston Rings, Pro GPX Gas Ported, 4.160 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP416016

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Piston Rings, Pro GPX Gas Ported, 4.130 in. Bore, File Fit, Gas Nitrided, 1.0mm, 1.0mm, 2.0mm Thickness, V8, Set

Part Number: SUM-GP413010

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Piston Rings, Pro GPX Gas Ported, 3.785 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP378515

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Piston Rings, Premium Piston Ring Sets, Plasma-moly, 4.055 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set

Part Number: MAH-42089CP

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Pistons, Hypereutectic, Dish, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, L6, Set of 6

Part Number: UEM-3118H-STD

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Estimated Ship Date: Mar 13, 2026 if ordered today

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Pistons, Hypereutectic, Flat, 4.060 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Set of 8

Part Number: UEM-3101HC-060

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Estimated Ship Date: Mar 13, 2026 if ordered today

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Pistons, Hypereutectic, Dish, 96.01mm Bore, 1.5mm, 1.5mm, 3.0mm Ring Grooves, Chevy, V8, Set of 8

Part Number: UEM-3519HC-STD

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Estimated Ship Date: Mar 13, 2026 if ordered today

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Piston Rings, Premium Ductile Ring Sets, 0.030 in. Oversize, 4.070 in. Bore, Plasma-moly, 5/64 in., 5/64 in., 3/16 in. Thickness, L8, V8, Set of 8

Part Number: HSN-2M694030

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Piston Rings, Pro GPX Gas Ported, 4.060 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP406015

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Piston Rings, Pro GPX Gas Ported, 4.600 in. Bore, File Fit, Gas Nitrided, 0.043 in., 0.043 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP4600446

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Piston Rings, Pro GPX Gas Ported, 4.005 in. Bore, File Fit, Gas Nitrided, 1.2mm, 1.2mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP400512

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Pistons, Cast, Flat, 3.875 in. Bore, Chevy, GM, Set of 8

Part Number: SLP-235NP

4.0 out of 5 stars ( 1 )

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Pistons, Hypereutectic, Flat, 4.020 in. Bore, Ford, SBF, Set of 8

Part Number: SUM-17302C-20

1.0 out of 5 stars ( 1 )

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Pistons, Hypereutectic, Dish, 101.6mm Bore, 1.5mm, 1.5mm, 3.0mm Ring Grooves, Chevy, V8, Set of 8

Part Number: UEM-3516HC-STD

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 12, 2026 if ordered today

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Piston Rings, Premium Ductile Ring Sets, Plasma-moly, 4.000 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, L8, V8, Set of 8

Part Number: HSN-2M8542

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Piston Rings, Performance Series, 4.035 in. Bore, File Fit, 0.043 in., .043 in., 3.0mm, 8-Cylinder, Set

Part Number: MLE-4040ML-043

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Estimated Ship Date: Feb 20, 2026 if ordered today

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Pistons, Hypereutectic, Flat, 4.000 in. Bore, 1.5mm, 1.5mm, 4.0mm Ring Grooves, Ford, Set of 8

Part Number: UEM-3173HC-STD

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Estimated Ship Date: Mar 13, 2026 if ordered today

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