Pistons & Piston Rings

Piston Rings, Plasma-moly, 4.375 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: TSR-CR9190-125

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Piston Rings, Performance Series, 4.165 in. Bore, File Fit, 1/16 in., 1/16 in., 3/16 in., 8-Cylinder, Set

Part Number: MLE-4170ML

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Estimated Ship Date: Jan 8, 2026 if ordered today

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Piston Rings, Pro HEMI, 3.917 in. bore, File-fit 1.2mm Nitride Steel Top, 1.2mm Ductile Second, 3.0mm Std. Tension Oil, 8 Cylinders, Set

Part Number: SUM-391712

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Piston Rings, Performance, 4.155 in. Bore, HV385 Thermal, 1.0mm, 1.0mm, 2.0mm, 8-Cylinder, 8 Sets

Part Number: MLE-4155MS-112D

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Estimated Ship Date: Jan 8, 2026 if ordered today

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Pistons, Hypereutectic, Dish, 96.51mm Bore, 1.5mm, 1.5mm, 3.0mm Ring Grooves, Chevy, Set of 8

Part Number: UEM-3472HC-5MM

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Estimated Ship Date: Jan 29, 2026 if ordered today

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Piston Rings, Pro GPX Gas Ported, 4.040 in. Bore, File Fit, Gas Nitrided, 1.2mm, 1.2mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP404012

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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: Jan 12, 2026 if ordered today

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Piston Rings, Pro GPX Gas Ported, 4.350 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP435016

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Pistons, Cast, Dish, 4.087 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Oldsmobile, V8, Set of 8

Part Number: UEM-1633-030

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Pistons, Hypereutectic, Dish, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, L6, Set of 6

Part Number: UEM-3118H-040

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Pistons, Cast, Flat, 4.140 in. Bore, Pontiac, Set of 8

Part Number: SLP-411NP20

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Pistons, Cast, Flat, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring, Mopar, Small Block, Set of 8

Part Number: UEM-1273-040

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Estimated Ship Date: Jan 30, 2026 if ordered today

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Piston Rings, Performance Series, 3.701 in. Bore, Plus 0.005 in., File Fit, 1.0mm, 1.0mm, 2.0mm, 8-Cylinder, Set

Part Number: MLE-3706MS-112

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Estimated Ship Date: Jan 8, 2026 if ordered today

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Piston Rings, Performance Series, 4.390 in. Bore, 1/16 in., 1/16 in., 3/16 in., 8-Cylinder, Set

Part Number: MLE-4390MS

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Pistons, Cast, Dish, 4.080 in. Bore, 5/64 in., 3/32 in. 3/16 in. Ring Grooves, Ford, Big Block FE, Set of 8

Part Number: UEM-1130-030

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 28, 2026 if ordered today

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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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Pistons, Cast, Flat, 4.250 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Big Block, Set of 8

Part Number: UEM-1271-STD

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Estimated Ship Date: Jan 30, 2026 if ordered today

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Pistons, Hypereutectic, Dish, 4.155 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-1443HC-030

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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-1139-STD

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Estimated Ship Date: Jan 30, 2026 if ordered today

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Pistons, Cast, Flat, 3.915 in. Bore, Checker, Chevy, GMC, Set of 8

Part Number: SLP-235NP40

5.0 out of 5 stars ( 1 )

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Piston Rings, Performance Series, 4.010 in. Bore, Plus 0.005 in., File Fit, 1.0mm, 1.0mm, 2.0mm, 8-Cylinder, Set

Part Number: MLE-4015MS-112

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Piston Rings, Premium Ductile Ring Sets, Plasma-moly, 4.500 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-cylinder, Set of 8

Part Number: HSN-2M5589

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 8, 2026 if ordered today

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

Part Number: SLP-R890230

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Piston Rings, Premium Ductile Ring Sets, Standard Size, 4.467 in. Bore, Plasma-moly, 2.0mm, 1.5mm, 4.0mm Ring Thickness, L8, V8, Set of 8

Part Number: HSN-2M4727

5.0 out of 5 stars ( 1 )

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

Part Number: HSN-2M5275

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Estimated Ship Date: Jan 8, 2026 if ordered today

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