Pistons & Piston Rings

Piston Rings, Moly, 4.392 in. Bore, 2.0mm, 2.0mm, 4.0mm Thickness, 8-Cylinder, Set

Part Number: SLP-E-897K30

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Pistons, Cast, Dish, 4.400 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring, Ford, Big Block, Set of 8

Part Number: UEM-1161-040

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Piston Rings, Pro GPX Gas Ported, 4.000 in. Bore, File Fit, Plasma-moly, 5/64 in., 5/64 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP400064

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Pistons, Hypereutectic, Dish, 3.875 in. Bore, Jeep, 4.0L, Set of 6

Part Number: UEM-3241HC-STD

2.0 out of 5 stars ( 1 )

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Piston Rings, Stainless Steel Series Performance, Gas Nitrided, 4.040 in. Bore, 1.2mm, 1.2mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: HSN-SN9045040

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Piston Rings, Pro GPX Gas Ported, 3.630 in. Bore, File Fit, Gas Nitrided, 1.2mm, 1.2mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP363012

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Piston Rings, Pro GPX Gas Ported, 4.065 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 2.5mm Thickness, V8, Set

Part Number: SUM-GP406525

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Piston Rings, Pro GPX Gas Ported, 4.085 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 2.5mm Thickness, V8, Set

Part Number: SUM-GP408525

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Piston Rings, Pro GPX Gas Ported, 4.360 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP436016

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Pistons, Cast, Dish, 4.050 in. Bore, 5/64 in., 3/32 in. 3/16 in. Ring Grooves, Ford, Big Block FE, Set of 8

Part Number: UEM-1116-STD

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Piston Rings, 4.070 in. Bore, 1.0mm, 1.0mm, 2.0mm Thickness, 8-Cylinder, Set

Part Number: MLE-4075MS-112

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Estimated Ship Date: Nov 25, 2025 if ordered today

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Piston Rings, Pro GPX Gas Ported, 3.635 in. Bore, File Fit, Gas Nitrided, 1.2mm, 1.2mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP363512

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Piston Rings, Ductile Iron, 4.350 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-R-1910335

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

Part Number: UEM-3136-STD

5.0 out of 5 stars ( 1 )

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Piston Rings, Plasma-moly, 4.075 in. Bore, 1.2 mm, 1.5 mm, 3.0 mm Thickness, 8-Cylinder, Set

Part Number: JEP-JG31F840755

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Piston Rings, Performance Series, 4.390 in. Bore, File Fit, 1.5mm, 1.5mm, 3.0mm, 8-Cylinder, Set

Part Number: MLE-4395MS-15

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 25, 2025 if ordered today

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Pistons, Cast, Dish, 4.218 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Buick, V8, Set of 8

Part Number: UEM-1728-030

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Pistons, Hypereutectic, Flat, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-3437HC-030

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Dec 15, 2025 if ordered today

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Piston, Forged, Dome, Single Valve Relief, 4.350 in. Bore, 4.250 in. Stroke, 6.385 in. Rod, 1.270 in. Compression, Chevy, Each

Part Number: JEP-212159S

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Piston Rings, Steel Series Performance, Plasma-moly, 4.070 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: HSN-SM8565070

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Pistons, Hypereutectic, Flat, 4.000 in. Bore, Chevy, Set of 8

Part Number: SLP-H597DCP

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Piston Rings, Performance Series, 4.060 in. Bore, File Fit, 0.043 in., 0.043 in., 3.0mm, 8-Cylinder, Set

Part Number: MLE-4065ML-043

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Nov 26, 2025 if ordered today

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Pistons, Cast, Flat, 4.180 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Pontiac, V8, Set of 8

Part Number: UEM-1526-060

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Piston Rings, 4.065 in. Bore, 1.0mm, 1.0mm, 2.0mm Thickness, 8-Cylinder, Set

Part Number: MLE-4070MS-112

5.0 out of 5 stars ( 1 )

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Piston, Forged, Dome, Single Valve Relief, 4.530 in. Bore, 4.250 in. Stroke, 6.385 in. Rod, 1.270 in. Compression, Chevy, Each

Part Number: JEP-296989-1

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Estimated Ship Date: Dec 1, 2025 if ordered today

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