Pistons & Piston Rings

Piston Rings, File Fit, 4.140 in. Bore, Plasma-moly, 0.043 in., 1.5mm, 3.0mm, 8-Cylinder, 8 Sets

Part Number: MLE-4145MS-1115

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Estimated Ship Date: Nov 3, 2025 if ordered today

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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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GM DURAMAX (R & L) 403CI / 6.6L 4.075 3.0K 2.0 3.0 8CYL

Part Number: TSR-CD909120

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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: Nov 3, 2025 if ordered today

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Pistons, Cast, Dish, 4.090 in. Bore, 5/64 in., 3/32 in. 3/16 in. Ring, Ford, Big Block FE, Set of 8

Part Number: UEM-1130-040

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Estimated Ship Date: Nov 21, 2025 if ordered today

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Piston Rings, Moly, 3.790 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-240K40

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Pistons, Cast, Flat, 4.080 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Small Block, Set of 8

Part Number: UEM-1436C-080

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Estimated Ship Date: Nov 21, 2025 if ordered today

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Pistons, Hypereutectic, Flat, 90.7mm Bore, 1.5mm, 1.5mm, 3.0mm Ring Grooves, Ford, Set of 8

Part Number: UEM-3190HC-5MM

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Estimated Ship Date: Nov 21, 2025 if ordered today

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Pistons, Cast, Flat, 3.935 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Small Block, Set of 8

Part Number: UEM-1438-060

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Nov 21, 2025 if ordered today

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Pistons, Hypereutectic, Dished, 4.000 in. Bore, Chevy, Set of 8

Part Number: SUM-17383C-00

3.5 out of 5 stars ( 2 )

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Premium Piston Ring Set;

Part Number: SLP-E-434K30

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Piston Rings, File Fit, 4.530 in. Bore, Plasma-moly, 1.5mm, 1.5mm, 3.0mm, 8-Cylinder, 8 Sets

Part Number: MLE-4535MS-15

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Estimated Ship Date: Nov 3, 2025 if ordered today

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

Part Number: TSR-CR1003-35

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Piston Rings, Performance Series, Drop-In, 4.055 in. Bore, 1.0mm, 1.0mm, 2.0mm, 8-Cylinder, Set

Part Number: MLE-4055MS-112D

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Estimated Ship Date: Nov 3, 2025 if ordered today

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Pistons, Cast, Flat, 3.840 in. Bore, 5/64 in., 3/32 in. 3/16 in. Ring, Ford, Y-Block, Set of 8

Part Number: UEM-1066-040

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Estimated Ship Date: Nov 3, 2025 if ordered today

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

Part Number: SUM-135-2M551960

5.0 out of 5 stars ( 1 )

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Piston and Ring Kits, Powersports 2-Stroke Forged Series, 2.618 in. Bore, Forged Aluminum, Rings, for use on Honda®, Kit

Part Number: WIS-466M06650

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Estimated Ship Date: Nov 10, 2025 if ordered today

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Piston Rings, Pro GPX Gas Ported, 4.185 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP418515

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Estimated Ship Date: Oct 24, 2025 if ordered today

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Piston Rings, Pro GPX Gas Ported, 4.185 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP418516

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Estimated Ship Date: Oct 24, 2025 if ordered today

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Piston Rings, Pro GPX Gas Ported, 4.060 in. Bore, File Fit, Gas Nitrided, 0.043 in., 0.043 in., 3.0mm Thickness, V8, Set

Part Number: SUM-GP406043

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Piston Rings, Pro GPX Gas Ported, 3.552 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP355215

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Estimated Ship Date: Nov 17, 2025 if ordered today

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

Part Number: HSN-2M643060

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Estimated Ship Date: Oct 31, 2025 if ordered today

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Piston Rings, Pro GPX Gas Ported, 4.560 in. Bore, File Fit, Gas Nitrided, 0.043 in., 0.043 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP4560446

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Piston Rings, Pro GPX Gas Ported, 4.060 in. Bore, File Fit, Gas Nitrided, 1.0mm, 1.0mm, 2.0mm Thickness, V8, Set

Part Number: SUM-GP406010

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