Pistons & Piston Rings

Pistons, Hypereutectic, Flat, 99mm Bore, Coated Skirts, Offset Pin, Shallow Oil Ring Groove, Cadillac, Chevy, 5.7L, LS6, Set of 8

Part Number: UEM-3499HC-25MM

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Estimated Ship Date: Monday 11/10/2025

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Pistons, Hypereutectic, 4.392 in. Bore, Flat, 1.752 in. CH, Press Fit Pin, 5/64 x 5/64 x 3/16 Rg Grooves, Ford, Lincoln, Mercury, Mercruiser, Set of 8

Part Number: UEM-3191HC-030

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Estimated Ship Date: Monday 11/10/2025

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Premium Piston Ring Set

Part Number: SLP-R996830

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

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Piston Rings, Pro GPX Gas Ported, 4.040 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP404015

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Estimated Ship Date: Monday 11/10/2025

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Pistons, Professional Series, Forged Aluminum, Dome, 4.600 in. Bore, Stroked, Chevy, Big Block, Each

Part Number: WIS-60245A100

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Estimated Ship Date: Nov 10, 2025 if ordered today

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Piston Rings, Plasma-moly, 4.155 in. Bore, 1/16 in. 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: JEP-S100S841555

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Estimated Ship Date: Monday 11/10/2025

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Pistons, Cast, Dish, 3.780 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, AMC, V8, Set of 8

Part Number: UEM-2234-030

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Estimated Ship Date: Monday 11/10/2025

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Piston Rings, Plasma-moly, 4.030 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: TSR-CRG3690-35

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

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Powersports Piston, Forged 4032 Alloy, Line2Line Coating, 3.937 in. Bore, 1.086 in. Comp. Ht, Dome, +1.6cc, Standard Size, 0.927 in. Pin, Harley®, Set

Part Number: UEM-KB714LCA-STD

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Estimated Ship Date: Monday 11/10/2025

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Piston Rings, Premium Ductile Ring Sets, 0.035 in. Oversize, 4.035 in. Bore, Plasma-moly, 5/64 in., 5/64 in., 3/16 in. Thickness, L8, V8, Set of 8

Part Number: HSN-2M5508035

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Estimated Ship Date: Monday 11/10/2025

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

Part Number: SLP-H336CP20

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 26, 2025 if ordered today

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Piston Rings, Steel Series Performance, Plasma-moly, 3.780 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: HSN-SM8531

1.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/10/2025

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Piston Rings, Plasma-moly, 4.040 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: TSR-CR369040

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

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Piston Rings, Plasma-moly, 3.937 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: HSN-2M5097020

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Estimated Ship Date: Monday 11/10/2025

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Piston Rings, Plasma-moly, 4.030 in. Bore, 1/16 in., 1/16 in., 3.0mm Thickness, 8-Cylinder, Set

Part Number: TSR-CR1001-35

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Estimated Ship Date: Monday 11/10/2025

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Piston Rings, Pro GPX Gas Ported, 4.310 in. Bore, File Fit, Plasma-moly, 5/64 in., 5/64 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP431064

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Estimated Ship Date: Monday 11/10/2025

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Piston Rings, Plasma-moly, 4.390 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: TSR-CR2690-30

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Estimated Ship Date: Monday 11/10/2025

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Piston Rings, Premium Ductile Ring Sets, Standard Size, 4.125 in. Bore, Plasma-moly, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set of 8

Part Number: HSN-2M5529

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

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Piston Rings, Premium Piston Ring Sets, Plasma-moly, 3.920 in. Bore, 1.2mm, 1.2mm, 2.0mm Thickness, V8, Set

Part Number: MAH-42108CP

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Estimated Ship Date: Monday 11/10/2025

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Piston Rings, Pro GPX Gas Ported, 4.500 in. Bore, File Fit, Gas Nitrided, 0.043 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP450046

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Estimated Ship Date: Monday 11/10/2025

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Piston Rings, Iron, 4.290 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SUM-135-2M551940

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Estimated Ship Date: Monday 11/10/2025

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Pistons, Hypereutectic, Dished, 4.040 in. Bore, Chevy, Set of 8

Part Number: SUM-17383C-40

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Estimated Ship Date: Monday 11/10/2025

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Piston Rings, Plasma-moly, 4.290 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: TSR-CR2090-45

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Estimated Ship Date: Monday 11/10/2025

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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: Dec 30, 2025 if ordered today

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Piston Rings, Pro GPX Gas Ported, 4.070 in. Bore, File Fit, Gas Nitrided, 1.2mm, 1.2mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP407012

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Estimated Ship Date: Monday 11/10/2025

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