Pistons & Piston Rings

Piston Rings, Performance Series, 4.350 in. Bore, File Fit, 1/16 in., 1/16 in., 3/16 in., 8-Cylinder, Set

Part Number: MLE-4355MS

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Estimated Ship Date: Mar 30, 2026 if ordered today

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Piston Rings, 4.040 in. Bore, 1/16 in., 1/16 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-4000BM8-040

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Piston Rings, Pro GPX Gas Ported, 4.130 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP413016

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Piston, 2618 Forged Aluminum, Flat, 3.209 in. Bore, 1.0mm, 1.2mm, 2.8mm Ring Grooves, for use on Honda®/Acura®, L4, Each

Part Number: WIS-6542M815AP

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Piston Rings, Pro GPX Gas Ported, 4.165 in. Bore, File Fit, Gas Nitrided, 1.0mm, 1.0mm, 2.0mm Thickness, V8, Set

Part Number: SUM-GP416510

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

Part Number: SLP-R-9799-5

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Piston and Ring Kit, Hypereutectic, 3.635 in. Bore, Harley-Davidson®, 10.50;1 Compression Ratio, Kit

Part Number: UEM-KB294-010

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Estimated Ship Date: Apr 21, 2026 if ordered today

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Piston Rings, Pro GPX Gas Ported, 4.605 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP460516

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Piston Rings, Plasma-moly, 4.145 in. Bore, 1/16 in, 1/16 in. 3/16 in. Thickness, 8-Cylinder, Set

Part Number: JEP-J10008-41455

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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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Piston Rings, Plasma-moly, 4.310 in. Bore, 1/16 in, 1/16 in. 3/16 in. Thickness, 8-Cylinder, Set

Part Number: JEP-J100F8-43105

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Estimated Ship Date: Apr 2, 2026 if ordered today

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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: SLP-R1037430

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Pistons, Cast, Flat, 4.160 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Pontiac, V8, Set of 8

Part Number: UEM-1526-040

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Estimated Ship Date: Apr 21, 2026 if ordered today

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Piston Rings, 4.185 in. Bore, 1.0 mm, 1.0 mm, 2.0 mm, V8, Set

Part Number: MLE-4190MS-112

3.0 out of 5 stars ( 2 )

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Piston Ring, Premium Sportsman Series, 4.390 in. Bore, File Fit, 1/16 in., 1/16 in., 3/16 in., 8-Cylinder, Set

Part Number: JEP-S100S843905

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Estimated Ship Date: Apr 2, 2026 if ordered today

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Piston Rings, Steel Series Performance, Plasma-moly, 4.065 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: HSN-SM8565065

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Piston Rings, Performance Series, 3.947 in. Bore, Plus 0.005 in., File Fit, 1.0mm, 1.0mm, 2.0mm, 8-Cylinder, Set

Part Number: MLE-3952MS-112

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Estimated Ship Date: Mar 30, 2026 if ordered today

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Piston Rings, Pro GPX Gas Ported, 4.060 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP406015

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Piston Rings, Pro GPX Gas Ported, 4.440 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP444016

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Piston Rings, Plasma-moly, 4.070 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: TSR-CR3690-75

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Piston Rings, Plasma-moly, 4.010 in. Bore, 1.2mm, 1.5mm, 2.5mm Thickness, 8-Cylinder, Set

Part Number: HSN-2M5170010

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Estimated Ship Date: Mar 30, 2026 if ordered today

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Piston Rings, Premium Ductile Ring Sets, Plasma-moly, 4.000 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, L8, V8, Set of 8

Part Number: HSN-2M8542

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Piston Rings, Plasma-moly, 4.065 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: TSR-CR3690-65

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Piston Rings, Ductile Plasma Iron Top, Ductile second, Std. Tension oil, File Fit for 4.390 in. bore 1.5mm, 1.5mm, 3.0mm, Set

Part Number: SUM-1362M8520035

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Premium Piston Ring Set

Part Number: SLP-R990230

4.67 out of 5 stars ( 6 )

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