Pistons & Piston Rings

Piston Rings, Premium Ductile Ring Sets, Plasma-moly, 4.381 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, L8, V8, Set of 8

Part Number: HSN-2M676040

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Piston Rings, Pro GPX Gas Ported, 4.060 in. Bore, File Fit, Gas Nitrided, 1.2mm, 1.2mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP406012

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Piston Rings, Stainless Steel Series Performance, Gas Nitrided, 4.155 in. Bore, 1.2mm, 1.2mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: HSN-SN9050030

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Estimated Ship Date: Jan 2, 2026 if ordered today

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Pistons, Cast, Flat, 4.060 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Small Block, Set of 8

Part Number: UEM-1423-060

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Piston Rings, Pro GPX Gas Ported, 4.005 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP400515

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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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Piston Rings, Plasma-moly, 4.155 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: TSR-CR019035

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Pistons, Hypereutectic, Dish, 4.360 in. Bore, 2.0mm, 2.0mm, 4.0mm Ring Grooves, Ford, Big Block, Set of 8

Part Number: UEM-3157HC-STD

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Estimated Ship Date: Jan 26, 2026 if ordered today

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Pistons, Cast, Dish, 4.060 in. Bore, Ford, 240, 300, Set of 6

Part Number: UEM-1147-060

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Estimated Ship Date: Dec 29, 2025 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: SLP-R-10248-45

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Piston Rings, Pro GPX Gas Ported, 4.250 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP425016

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Piston Rings, Pro GPX Gas Ported, 4.060 in. Bore, File Fit, Gas Nitrided, 1.0mm, 1.0mm, 2.0mm Thickness, V8, Set

Part Number: SUM-GP406010

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Piston Rings, Pro GPX Gas Ported, 3.700 in. Bore, File Fit, Gas Nitrided, 1.2mm, 1.2mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP370012

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Estimated Ship Date: Feb 6, 2026 if ordered today

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Piston Rings, Pro GPX Gas Ported, 4.320 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP432016

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Estimated Ship Date: Feb 6, 2026 if ordered today

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Piston Rings, Pro GPX Gas Ported, 4.130 in. Bore, File Fit, Gas Nitrided, 1.2mm, 1.2mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP413012

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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, 1.0mm, 1.0mm, 2.0mm Thickness, V8, Set

Part Number: SUM-GP418510

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Estimated Ship Date: Feb 6, 2026 if ordered today

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Piston Rings, Pro GPX Gas Ported, 4.280 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP428015

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Estimated Ship Date: Feb 6, 2026 if ordered today

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Piston Rings, Pro GPX Gas Ported, 4.145 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP414516

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Estimated Ship Date: Feb 6, 2026 if ordered today

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Piston Rings, Pro GPX Gas Ported, 4.165 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP416515

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Pistons, Hypereutectic, Dish, 92.75mm Bore, 1.5mm, 1.5mm, 4.0mm Ring Grooves, GM, Set of 6

Part Number: UEM-3420H-75MM

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Estimated Ship Date: Jan 26, 2026 if ordered today

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Pistons, Cast, Flat, 4.290 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring, Mopar, Big Block, Set of 8

Part Number: UEM-1271-040

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Estimated Ship Date: Jan 26, 2026 if ordered today

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Piston Rings, Premium Ductile Ring Sets, 0.030 in. Oversize, 4.280 in. Bore, Plasma-moly, 1.5mm, 1.5mm, 3.0mm Ring Thickness, L8, V8, Set of 8

Part Number: HSN-2M8569030

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Pistons, Hypereutectic, Dish, 4.020 in. Bore, 1.5mm, 1.5mm, 4.0mm Ring Grooves, Mopar, Set of 8

Part Number: UEM-3222HC-020

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Estimated Ship Date: Jan 26, 2026 if ordered today

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Piston, PIST-HEMI 6.1/DISHED/4.080 COA

Part Number: MAN-598680PC-1

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Estimated Ship Date: Feb 2, 2026 if ordered today

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Piston Rings, File Fit, 4.530 in. Bore, Plasma-moly, 1.5mm, 1.5mm, 3.0mm, 8-Cylinder, 8 Sets

Part Number: MLE-4535MS-15

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