Pistons & Piston Rings

Piston Rings, Pro HEMI, 4.100 in. bore, File-fit 1.2mm Nitride Steel Top, 1.2mm Ductile Second, 3.0mm Std. Tension Oil, 8 Cylinders, Set

Part Number: SUM-410012

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Pistons, Cast, Dish, 4.125 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Oldsmobile, V8, Set of 8

Part Number: UEM-1631-STD

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Estimated Ship Date: Nov 3, 2025 if ordered today

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Piston Rings, Plasma-moly, 4.030 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: TSR-CR1009-35

5.0 out of 5 stars ( 3 )

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Piston Rings, Pro GPX Gas Ported, 4.000 in. Bore, File Fit, Gas Nitrided, 0.043 in., 0.043 in., 3.0mm Thickness, V8, Set

Part Number: SUM-GP400043

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Estimated Ship Date: Nov 18, 2025 if ordered today

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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: Oct 16, 2025 if ordered today

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Pistons, Hypereutectic, Flat, 4.290 in. Bore, Chevy, GMC, Set of 8

Part Number: SLP-H749CP40

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Estimated Ship Date: Oct 16, 2025 if ordered today

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Pistons, Hypereutectic, Flat, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Set of 8

Part Number: UEM-1144HC-030

3.0 out of 5 stars ( 2 )

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Piston Rings, 4.065 in. Bore, 1.0mm, 1.0mm, 2.0mm Thickness, 8-Cylinder, Set

Part Number: MLE-4070MS-112

5.0 out of 5 stars ( 1 )

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Piston Rings, Plasma-moly, 4.055 in. Bore, 3.0mm, 2.0mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: MAH-41909

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Piston Rings, Performance Series, 4.060 in. Bore, File Fit, 0.043 in., 0.043 in., 3.0mm, 8-Cylinder, Set

Part Number: MLE-4065ML-043

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Oct 16, 2025 if ordered today

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Piston Rings, Performance Series, 4.165 in. Bore, File Fit, 1/16 in., 1/16 in., 3/16 in., 8-Cylinder, Set

Part Number: MLE-4170ML

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Pistons, Hypereutectic, Flat, 4.020 in. Bore, Ford, Mercury, Set of 8

Part Number: SLP-H336CP20

3.0 out of 5 stars ( 1 )

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Piston Rings, Premium Ductile Ring Sets, 0.020 in. Oversize, 3.895 in. Bore, Plasma-moly, 1.5mm, 1.5mm, 4.0mm Ring Thickness, H6, L6, V6, Set of 6

Part Number: HSN-2M4815020

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Piston Rings, Pro GPX Gas Ported, 4.280 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP428016

5.0 out of 5 stars ( 1 )

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1.2-1.5-3.0-106.299

Part Number: JEP-JG3108-41853

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Piston Rings, Premium Ductile Ring Sets, Standard Size, 4.250 in. Bore, Plasma-moly, 1/16 in., 1/16 in., 3/16 in. Thickness, L8, V8, Set of 8

Part Number: HSN-2M8562

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Pistons, Cast, Dish, 4.381 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Oldsmobile, V8, Set of 8

Part Number: UEM-1635-030

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Pistons, Hypereutectic, Dish, 101.6mm Bore, 1.5mm, 1.5mm, 3.0mm Ring Grooves, Chevy, V8, Set of 8

Part Number: UEM-3516HC-STD

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 4, 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., 0.043 in., 3.0mm Thickness, V8, Set

Part Number: SUM-GP461043

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Pistons, Cast, Dish, 4.110 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, AMC, V8, Set of 8

Part Number: UEM-2225C-030

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Piston Rings, Plasma-moly, 4.320 in. Bore, 1/16 in, 1/16 in. 3/16 in. Thickness, 8-Cylinder, Set

Part Number: JEP-J10008-43205

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Estimated Ship Date: Oct 17, 2025 if ordered today

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Piston Rings, Pro GPX Gas Ported, 4.560 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP456016

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Pistons, Hypereutectic, Dome, 4.250 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-3474HC-STD

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Estimated Ship Date: Nov 3, 2025 if ordered today

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Piston Rings, Performance Series, 4.010 in. Bore, File Fit, 1.5mm, 1.5mm, 3.0mm, 8-Cylinder, Set

Part Number: MLE-4015MS-15

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Piston Rings, Pro GPX Gas Ported, 3.790 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP379015

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