Pistons & Piston Rings

Pistons, Cast, Flat, 4.000 in. Bore, 5/64 in., 3/32 in. 3/16 in. Ring Grooves, Ford, Big Block FE, Set of 8

Part Number: UEM-1129-STD

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Pistons, Cast, Flat, 4.080 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Small Block, Set of 8

Part Number: UEM-1436C-080

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Estimated Ship Date: Jan 26, 2026 if ordered today

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Pistons, Hypereutectic, Flat, 90.7mm Bore, 1.5mm, 1.5mm, 3.0mm Ring Grooves, Ford, Set of 8

Part Number: UEM-3190HC-5MM

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Estimated Ship Date: Jan 26, 2026 if ordered today

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Piston Rings, Plasma-moly, 102.743mm Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: TSR-CRG2010-45

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Estimated Ship Date: Dec 30, 2025 if ordered today

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Piston Rings, Pro GPX Gas Ported, 4.630 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP463016

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Piston Rings, Pro GPX Gas Ported, 3.898 in. Bore, File Fit, Gas Nitrided, 1.2mm, 1.2mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP389812

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Piston Rings, Pro GPX Gas Ported, 4.010 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP401015

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Piston Rings, Pro GPX Gas Ported, 4.165 in. Bore, File Fit, Plasma-moly, 5/64 in., 5/64 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP416564

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Piston Rings, Pro GPX Gas Ported, 4.030 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3.0mm Thickness, V8, Set

Part Number: SUM-GP403013

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Piston Rings, Pro GPX Gas Ported, 3.903 in. Bore, File Fit, Gas Nitrided, 1.2mm, 1.2mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP390312

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Piston Rings, Pro GPX Gas Ported, 4.020 in. Bore, File Fit, Gas Nitrided, 1.2mm, 1.2mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP402012

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Estimated Ship Date: Feb 6, 2026 if ordered today

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Piston Rings, Pro GPX Gas Ported, 4.060 in. Bore, File Fit, Gas Nitrided, 0.043 in., 0.043 in., 3.0mm Thickness, V8, Set

Part Number: SUM-GP406043

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Piston Rings, Pro GPX Gas Ported, 4.375 in. Bore, File Fit, Gas Nitrided, 0.043 in., 0.043 in., 3.0mm Thickness, V8, Set

Part Number: SUM-GP437543

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Estimated Ship Date: Feb 6, 2026 if ordered today

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Piston Rings, Pro GPX Gas Ported, 4.530 in. Bore, File Fit, Gas Nitrided, 0.043 in., 0.043 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP4530446

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Estimated Ship Date: Feb 6, 2026 if ordered today

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Piston Rings, Premium Ductile Ring Sets, 0.030 in. Oversize, 4.389 in. Bore, Plasma-moly, 1/16 in., 1/16 in., 3/16 in. Thickness, Ford, V8, Set of 8

Part Number: HSN-2M5536030

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Piston Rings, Plasma-moly, 4.025 in. Bore, 1.50mm, 1.50mm, 3.00mm Thickness, 8-Cylinder, Set

Part Number: MLE-4255MS-15

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Estimated Ship Date: Jan 6, 2026 if ordered today

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Piston Rings, Pro GPX Gas Ported, 3.572 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP357215

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Piston Rings, DMR-Series, Plasma-Moly, 4.125 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: DMS-RSDM4004125

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Engine Piston Ring Set, 4-Cyl Ring Set; Triple Chrome

Part Number: HSN-2C5071020

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Estimated Ship Date: Jan 5, 2026 if ordered today

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BBC "Quick 16" +42cc Dome 1.120"

Part Number: WIS-6478B100

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Estimated Ship Date: Jan 14, 2026 if ordered today

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

Part Number: HSN-2M5519005

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Piston Rings, Plasma-moly, 4.165 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: TSR-CR0690-40

5.0 out of 5 stars ( 1 )

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Pistons, Cast, Dish, 3.905 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, GM, L6, Set of 6

Part Number: UEM-1446C-030

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Pistons, Hypereutectic, Dome, 4.250 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-3475HC-STD

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 26, 2026 if ordered today

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Pistons, Hypereutectic, Dish, 90.2mm Bore, 1.5mm, 1.5mm, 3.0mm Ring Grooves, Ford, Set of 8

Part Number: UEM-3175HC-STD

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