Pistons & Piston Rings

Piston Rings, Pro GPX Gas Ported, 4.010 in. Bore, File Fit, Gas Nitrided, 1.0mm, 1.0mm, 2.0mm Thickness, V8, Set

Part Number: SUM-GP401010

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Piston Rings, Pro GPX Gas Ported, 4.135 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP413515

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Piston Rings, Pro GPX Gas Ported, 4.090 in. Bore, File Fit, Gas Nitrided, 1.2mm, 1.2mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP409012

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Estimated Ship Date: Jan 27, 2026 if ordered today

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Pistons, Hypereutectic, Flat, 4.030 in. Bore, Chevy, Set of 8

Part Number: UEM-9901HC-030

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 2, 2026 if ordered today

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Piston Rings, Pro GPX Gas Ported, 4.560 in. Bore, File Fit, Gas Nitrided, 0.043 in., 0.043 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP4560446

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Estimated Ship Date: Feb 6, 2026 if ordered today

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Piston Rings, Pro GPX Gas Ported, 4.200 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP420016

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Piston Rings, Pro GPX Gas Ported, 3.905 in. Bore, File Fit, Gas Nitrided, 1.2mm, 1.2mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP390512

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Estimated Ship Date: Feb 6, 2026 if ordered today

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Piston Rings, Pro GPX Gas Ported, 4.185 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP418516

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Estimated Ship Date: Feb 6, 2026 if ordered today

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Piston Rings, Pro GPX Gas Ported, 4.610 in. Bore, File Fit, Gas Nitrided, 0.043 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP461046

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Estimated Ship Date: Feb 6, 2026 if ordered today

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Piston Rings, Pro GPX Gas Ported, 4.055 in. Bore, File Fit, Gas Nitrided, 1.2mm, 1.2mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP405512

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Piston Rings, Pro GPX Gas Ported, 3.800 in. Bore, File Fit, Gas Nitrided, 1.2mm, 1.2mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP380012

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Estimated Ship Date: Feb 6, 2026 if ordered today

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Piston Rings, Pro GPX Gas Ported, 4.560 in. Bore, File Fit, Gas Nitrided, 0.043 in., 0.043 in., 3.0mm Thickness, V8, Set

Part Number: SUM-GP456043

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Piston Rings, Pro GPX Gas Ported, 4.035 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP403516

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Pistons, Hypereutectic, Flat, 100.4mm Bore, 1.6mm, 1.75mm, 3.5mm Ring Grooves, Ford, V6, Set of 6

Part Number: UEM-3155HC-STD

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Estimated Ship Date: Jan 30, 2026 if ordered today

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Pistons, Hypereutectic, Flat, 3.756 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-1482HC-020

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Estimated Ship Date: Jan 30, 2026 if ordered today

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Pistons, Hypereutectic, Dish, 3.995 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, GM, V6, Set of 6

Part Number: UEM-1732HC-030

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 26, 2026 if ordered today

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Pistons, Cast, Flat, 4.320 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Big Block RB, Set of 8

Part Number: UEM-1263-STD

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Estimated Ship Date: Feb 2, 2026 if ordered today

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Pistons, Cast, Flat, 4.360 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring, Mopar, Big Block RB, Set of 8

Part Number: UEM-1263-040

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Estimated Ship Date: Jan 30, 2026 if ordered today

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Pistons, Cast, Flat, 4.190 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Pontiac, V8, Set of 8

Part Number: UEM-1525-040

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Estimated Ship Date: Feb 2, 2026 if ordered today

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Pistons, Hypereutectic, Dome, 4.280 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-3475HC-030

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Estimated Ship Date: Jan 30, 2026 if ordered today

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Piston Rings, Plasma-moly, 3.820 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 6-Cylinder, Set

Part Number: TSR-CR5899-25

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Estimated Ship Date: Dec 26, 2025 if ordered today

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PISTON RINGS

Part Number: UEM-4000CS8-085

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Estimated Ship Date: Jan 21, 2026 if ordered today

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Pistons, Cast, Flat, 3.593 in. Bore, 3/32 in., 3/32 in., 3/16 in. Ring Grooves, Chevy, L6, Set of 6

Part Number: UEM-1413-030

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Piston Rings, Plasma-moly, 3.820 in. Bore, 1.5mm, 1.5mm, 4.0mm Thickness, 4-Cylinder, Set

Part Number: JEP-J640F4-3820

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Piston Rings, Plasma-moly, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: MAH-3150034030

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Estimated Ship Date: Jan 26, 2026 if ordered today

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