Pistons & Piston Rings

Piston Rings, Performance Series, 4.250 in. Bore, 1/16 in., 1/16 in., 3/16 in., 8-Cylinder, Set

Part Number: MLE-4250MS

4.5 out of 5 stars ( 2 )

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Piston Rings, Chrome, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-251KC40

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Piston Rings, Moly, 3.750 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 6-Cylinder, Set

Part Number: SLP-E-222K

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

Part Number: SUM-GP462516

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Piston Rings, Plasma-moly, 4.125 in. Bore, 1/16 in, 1/16 in. 3/16 in. Thickness, 8-Cylinder, Set

Part Number: JEP-J100F84125-5

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Estimated Ship Date: Nov 4, 2025 if ordered today

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Piston Rings, Plasma-moly, 4.530 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: TSR-CR9190-285

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Piston Rings, Pro GPX Gas Ported, 4.020 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP402015

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Piston Rings, Plasma-moly, 4.380 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: MAH-40843CP020

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Pistons, Hypereutectic, Flat, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Set of 8

Part Number: UEM-1177HC-040

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 24, 2025 if ordered today

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Piston Rings, Pro GPX Gas Ported, 4.530 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP453016

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Piston Ring Set

Part Number: HSN-SN4190

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Piston Rings, Ductile Plasma Iron Top, Ductile second, Std. Tension oil, File Fit for 4.350 in. bore 1.5mm, 1.5mm, 3.0mm, Set

Part Number: SUM-1362M851535

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Piston Rings, Premium Ductile Ring Sets, Standard Size, 4.125 in. Bore, Plasma-moly, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set of 8

Part Number: HSN-2M5529

5.0 out of 5 stars ( 1 )

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Piston Rings, Pro GPX Gas Ported, 4.000 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP400015

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Piston Rings, Moly, 4.362 in. Bore, 2.0mm, 2.0mm, 4.0mm Thickness, 8-Cylinder, Set

Part Number: SLP-E-897K

5.0 out of 5 stars ( 1 )

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Piston Rings, Stainless Steel Series Performance, Gas Nitrided, 4.040 in. Bore, 1.2mm, 1.2mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: HSN-SN9045040

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Piston Rings, Plasma-moly, 4.020 in. Bore, 1.2mm, 1.5mm, 2.5mm Thickness, 8-Cylinder, Set

Part Number: HSN-2M5170020

1.0 out of 5 stars ( 1 )

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Pistons, Hypereutectic, Flat, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-3437HC-040

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Estimated Ship Date: Nov 21, 2025 if ordered today

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Pistons, Hypereutectic, Dish, 4.030 in. Bore, Ford, Mercury, Set of 8

Part Number: SLP-H653CP30

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Piston Rings, Pro GPX Gas Ported, 4.000 in. Bore, File Fit, Gas Nitrided, 1.2mm, 1.2mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP400012

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Pistons, Hypereutectic, Flat, 96.76mm Bore, 1.5mm, 1.5mm, 3.0mm Ring Grooves, Chevy, V8, Set of 8

Part Number: UEM-3520HC-75MM

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Estimated Ship Date: Nov 24, 2025 if ordered today

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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-1147-STD

3.67 out of 5 stars ( 3 )

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Piston Rings, Moly, 4.172 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-261K40

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Piston Rings, Plasma-moly, 4.350 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: TSR-CR6490-35

5.0 out of 5 stars ( 1 )

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Piston Rings, Moly, 4.195 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-302K30

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