Pistons & Piston Rings

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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Pistons, Hypereutectic, 3.908 in. Bore, Flat, 1.330 in. Compression Height, Press-Fit Pin, 1.5mm x 1.5mm x 3.0mm Rg. Grooves, Chevy, Pontiac, Set of 8

Part Number: UEM-3498HC-25MM

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Estimated Ship Date: Sep 22, 2025 if ordered today

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Piston Rings, Pro HEMI, 4.085 in. bore, File-fit 1.2mm Nitride Steel Top, 1.2mm Ductile Second, 3.0mm Std. Tension Oil, 8 Cylinders, Set

Part Number: SUM-408512

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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, 4.030 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3.0mm Thickness, V8, Set

Part Number: SUM-GP403013

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Piston Rings, Pro GPX Gas Ported, 4.075 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP407515

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Pistons, Cast, Dish, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, L6, Set of 6

Part Number: UEM-3188-STD

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Estimated Ship Date: Sep 22, 2025 if ordered today

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Pistons, Hypereutectic, Dish, 4.030 in. Bore, 1.5mm, 1.5mm, 3.0mm Ring Grooves, GM, Set of 6

Part Number: UEM-3451HC-030

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Estimated Ship Date: Sep 23, 2025 if ordered today

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Piston Rings, Pro GPX Gas Ported, 4.625 in. Bore, File Fit, Gas Nitrided, 0.043 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP462546

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Piston Rings, Pro GPX Gas Ported, 4.060 in. Bore, File Fit, Gas Nitrided, 1.2mm, 1.2mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP406012

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Piston Rings, Pro HEMI, 3.927 in. bore, File-fit 1.2mm Nitride Steel Top, 1.2mm Ductile Second, 3.0mm Std. Tension Oil, 8 Cylinders, Set

Part Number: SUM-392712

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Piston Rings, Pro GPX Gas Ported, 4.500 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP450015

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Piston Rings, Pro GPX Gas Ported, 4.165 in. Bore, File Fit, Plasma-moly, 5/64 in., 5/64 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP416564

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Estimated Ship Date: Oct 13, 2025 if ordered today

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Pistons, Cast, Flat, 3.430 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Thickness, Mopar, 6-Cylinder, Set of 6

Part Number: UEM-1250-030

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Estimated Ship Date: Sep 23, 2025 if ordered today

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Piston, Forged, Dome, Single Valve Relief, 4.280 in. Bore, 3.760 in.Stroke, 6.135 in. Rod, 1.765 in. Compression, Chevy, Each

Part Number: JEP-158830S

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Estimated Ship Date: Sep 8, 2025 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: Sep 22, 2025 if ordered today

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Pistons, Cast, Flat, 4.350 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring, Mopar, Big Block RB, Set of 8

Part Number: UEM-1263-030

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Estimated Ship Date: Sep 22, 2025 if ordered today

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Pistons, Hypereutectic, Flat, 4.060 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Set of 8

Part Number: UEM-3101HC-060

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Estimated Ship Date: Sep 23, 2025 if ordered today

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Pistons, Cast, Flat, 3.780 in. Bore, Ford, 292, Set of 8

Part Number: UEM-1072-030

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Estimated Ship Date: Sep 22, 2025 if ordered today

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Piston Rings, Moly, 4.130 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-261K

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Piston Rings, Pro HEMI, 4.055 in. bore, File-fit 1.2mm Nitride Steel Top, 1.2mm Ductile Second, 3.0mm Std. Tension Oil, 8 Cylinders, Set

Part Number: SUM-405512

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Pistons, Cast, Dish, 4.020 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring, Ford, Inline 6, Set of 6

Part Number: UEM-1147-020

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Estimated Ship Date: Sep 23, 2025 if ordered today

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Pistons, Cast, Flat, 4.402 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Big Block, Set of 8

Part Number: UEM-1274-060

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Estimated Ship Date: Sep 23, 2025 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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Piston Rings, Gas Nitrided, 3.642 in. Bore, 1.0mm, 1.2mm, 2.8mm Thickness, 4-Cylinder, Set

Part Number: JEP-JG1004-3642

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Estimated Ship Date: Sep 8, 2025 if ordered today

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