Pistons & Piston Rings

Piston and Ring Kit, Hypereutectic, 3.885 in. Bore, Harley-Davidson®, 9.30:1 Compression Ratio, Kit

Part Number: UEM-KB348-010

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Estimated Ship Date: Jan 26, 2026 if ordered today

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Piston Rings, Premium Piston Ring Sets, Plasma-moly, 4.085 in. Bore, 3.0mm, 2.0mm, 4.0mm Thickness, V8, Set

Part Number: MAH-41718030

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Estimated Ship Date: Jan 22, 2026 if ordered today

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Piston Rings, Premium Ductile Ring Sets, 0.030 in. Oversize, 4.030 in. Bore, Plasma-moly, 1/16 in., 1/16 in., 1/8 in. Thickness, L8, V8, Set of 8

Part Number: HSN-2M5521030

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 5, 2026 if ordered today

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Piston Rings, Original Premium Piston Ring Sets, Plasma-moly, 4.055 in. Bore, 3.0mm, 2.0mm, 4.0mm Thickness, V8, Set

Part Number: MAH-41718

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 21, 2026 if ordered today

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Piston Rings, Pro GPX Gas Ported, 4.010 in. Bore, File Fit, Gas Nitrided, 1.0mm, 1.0mm, 2.0mm Thickness, V8, Set

Part Number: SUM-GP401010

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Piston Rings, Premium Ductile Ring Sets, 0.030 in. Oversize, 4.342 in. Bore, Plasma-moly, 5/64 in., 5/64 in., 3/16 in. Thickness, L8, V8, Set of 8

Part Number: HSN-2M645030

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Piston Rings, Pro GPX Gas Ported, 4.135 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP413515

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Piston Rings, Performance Series, Sport Compact, Drop In, 84.00 mm Bore, 1.0mm, 1.2mm, 2.8mm, 6-Cylinder, Set

Part Number: MLE-8400MS-10-6

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Estimated Ship Date: Jan 6, 2026 if ordered today

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

Part Number: HSN-2M5575040

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Piston Rings, Pro GPX Gas Ported, 4.200 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP420016

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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, 4.560 in. Bore, File Fit, Gas Nitrided, 0.043 in., 0.043 in., 3.0mm Thickness, V8, Set

Part Number: SUM-GP456043

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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: Jan 27, 2026 if ordered today

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

Part Number: HSN-2M5519

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Silvolite Piston-265 Chevy (V8)

Part Number: UEM-1410-STD

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 26, 2026 if ordered today

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Piston, Forged, Flat Top, 2-Valve Reliefs, 4.045 in. Bore, 3.500 in. Stroke, 5.700 in. Rod, 1.550 in. Compression, Chevy, Left, Each

Part Number: JEP-258027L

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Estimated Ship Date: Jan 8, 2026 if ordered today

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Piston, Forged, Flat Top, 2-Valve Reliefs, 4.045 in. Bore, 3.500 in. Stroke, 5.700 in. Rod, 1.550 in. Compression, Chevy, Right, Each

Part Number: JEP-258027R

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Estimated Ship Date: Jan 8, 2026 if ordered today

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Pistons, Hypereutectic, Flat, 4.030 in. Bore, Chevy, Set of 8

Part Number: UEM-9901HC-030

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 26, 2026 if ordered today

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Pistons, Hypereutectic, Flat, 100.4mm Bore, 1.6mm, 1.75mm, 3.5mm Ring Grooves, Ford, V6, Set of 6

Part Number: UEM-3155HC-STD

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Estimated Ship Date: Jan 26, 2026 if ordered today

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Pistons, Cast, Flat, 4.190 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Pontiac, V8, Set of 8

Part Number: UEM-1525-040

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Estimated Ship Date: Jan 27, 2026 if ordered today

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Pistons, Cast, Flat, 4.320 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Big Block RB, Set of 8

Part Number: UEM-1263-STD

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Estimated Ship Date: Jan 27, 2026 if ordered today

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Piston Rings, Premium Ductile Ring Sets, 0.040 in. Oversize, 4.039 in. Bore, Plasma-moly, 5/64 in., 5/64 in., 3/16 in. Thickness, L8, V8, Set of 8

Part Number: HSN-2M5508040

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 5, 2026 if ordered today

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Pistons, Cast, Flat, 4.360 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring, Mopar, Big Block RB, Set of 8

Part Number: UEM-1263-040

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Estimated Ship Date: Jan 26, 2026 if ordered today

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Pistons, Hypereutectic, Dome, 4.280 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-3475HC-030

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Estimated Ship Date: Jan 26, 2026 if ordered today

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