Pistons & Piston Rings

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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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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Piston Rings, Pro GPX Gas Ported, 4.010 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP401015

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Piston Rings, Pro GPX Gas Ported, 4.005 in. Bore, File Fit, Gas Nitrided, 1.0mm, 1.0mm, 2.0mm Thickness, V8, Set

Part Number: SUM-GP400510

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Estimated Ship Date: Oct 24, 2025 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: Nov 17, 2025 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, 4.600 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP460015

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Estimated Ship Date: Oct 24, 2025 if ordered today

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Piston Rings, Pro GPX Gas Ported, 3.785 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP378515

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Estimated Ship Date: Oct 24, 2025 if ordered today

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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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ProX Piston Kit Gas-Gas MX/EC/XC250 '97-19 (66.35mm)

Part Number: PXR-01-7307-C

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Estimated Ship Date: Oct 24, 2025 if ordered today

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Piston Rings, Standard Piston Ring Sets, Cast Iron, 4.094 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, V8, Set

Part Number: MAH-50460

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Estimated Ship Date: Nov 4, 2025 if ordered today

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Piston Rings, Pro GPX Gas Ported, 4.390 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP439016

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Piston and Ring Kit, Hypereutectic, 3.630 in. Bore, Harley-Davidson®, 10.50;1 Compression Ratio, Kit

Part Number: UEM-KB294-005

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Estimated Ship Date: Nov 4, 2025 if ordered today

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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: Nov 10, 2025 if ordered today

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Piston Ring Set 8cyl Diesel 4.0945''/ 104 MM 3.0Kmm 2.0mm 3.0mm

Part Number: UEM-2001910MM

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Estimated Ship Date: Nov 3, 2025 if ordered today

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Piston Rings, Plasma-moly, 3.866 in. Bore, 2.5mm, 2.0mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: MAH-42097

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Estimated Ship Date: Nov 4, 2025 if ordered today

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Pistons, Silvolite Series Piston, 3.790 in.Bore, 3 in Stroke, Cast Aluminum, Stock Stroke,1.780 Compression Height, 0.927 in. Press Fit Wrist Pin. Set

Part Number: UEM-1410-040

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Estimated Ship Date: Nov 10, 2025 if ordered today

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Piston Rings, Performance Series, 4.000 in. Bore, File Fit, 1.5mm, 1.5mm, 3.0mm, 8-Cylinder, Set

Part Number: MLE-4005MS-15

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Piston Rings, Plasma-moly, 4.125 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-R58795

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Piston and Ring Kit, Hypereutectic, 3.645 in. Bore, Harley-Davidson®, 10.50;1 Compression Ratio, Kit

Part Number: UEM-KB294-020

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Estimated Ship Date: Nov 10, 2025 if ordered today

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Piston Rings, Pro GPX Gas Ported, 3.903 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP390315

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Estimated Ship Date: Nov 17, 2025 if ordered today

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Piston Rings, Performance Series, 4.610 in. Bore, Plus 0.005 in., Low Tension, File Fit, .043 in., .043 in., 3.0mm, 8-Cylinder, Set

Part Number: MLE-4615SL-043

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Piston Rings, Gas Nitride Steel Top, Ductile second, Std. Tension oil, File Fit for 4.087 in. bore 1.2mm, 1.2mm, 3.0mm, Set

Part Number: SUM-136SN9045087

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Piston Rings, Premium Piston Ring Sets, Plasma-moly, 4.030 in. Bore, 1.2mm, 1.5mm, 2.5mm Thickness, V8, Set

Part Number: MAH-42157CP030

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Estimated Ship Date: Nov 4, 2025 if ordered today

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Pistons, Hypereutectic, Flat, 4.000 in. Bore, L4, Marine, Set of 4

Part Number: SLP-H897CP

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Estimated Ship Date: Oct 20, 2025 if ordered today

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