Summit Racing Pistons & Piston Rings

Piston Rings, Complete Set, 4.056 in. Bore, 0.040 in. Oversize, Dodge, 5.9L Cummins, Non-HO Engine, Set

Part Number: SUM-4914D-100

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Piston Rings, Complete Set, 4.036 in. Bore, 0.020 in. Oversize, Dodge, 5.9L Cummins, Non-HO Engine, Set

Part Number: SUM-4914D-50

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Piston Rings, Complete Set, 4.046 in. Bore, 0.030 in. Oversize, Dodge, 5.9L Cummins, Non-HO Engine, Set

Part Number: SUM-4914D-75

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Piston Rings, Complete Set, 3.866 in. Bore, Standard Bore, International/Ford, 6.4L Maxxforce 7, Set

Part Number: SUM-5287D-00

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Piston Rings, Complete Set, 3.906 in. Bore, 0.040 in. Oversize, International/Ford, 6.4L Maxxforce 7, Set

Part Number: SUM-5287D-100

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Piston Rings, Complete Set, 3.886 in. Bore, 0.020 in. Oversize, International/Ford, 6.4L Maxxforce 7, Set

Part Number: SUM-5287D-50

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Piston Rings, Complete Set, 3.896 in. Bore, 0.030 in. Oversize, International/Ford, 6.4L Maxxforce 7, Set

Part Number: SUM-5287D-75

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Piston Rings, Complete Set, 3.740 in. Bore, Standard Bore, Ford, 6.0L Powerstroke, Set

Part Number: SUM-5374D-00

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Piston Rings, Pro GPX Gas Ported, 4.310 in. Bore, File Fit, Gas Nitrided, 0.043 in., 0.043 in., 3.0mm Thickness, V8, Set

Part Number: SUM-GP431043

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Estimated Ship Date: Dec 31, 2025 if ordered today

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Piston Rings, Pro GPX Gas Ported, 4.350 in. Bore, File Fit, Gas Nitrided, 0.043 in., 0.043 in., 3.0mm Thickness, V8, Set

Part Number: SUM-GP435043

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Piston Rings, Pro GPX Gas Ported, 4.360 in. Bore, File Fit, Gas Nitrided, 0.043 in., 0.043 in., 3.0mm Thickness, V8, Set

Part Number: SUM-GP436043

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Piston Rings, Pro GPX Gas Ported, 4.380 in. Bore, File Fit, Plasma-moly, 5/64 in., 5/64 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP438064

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Piston Rings, Pro GPX Gas Ported, 4.130 in. Bore, File Fit, Gas Nitrided, 1.0mm, 1.0mm, 2.0mm Thickness, V8, Set

Part Number: SUM-GP413010

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Piston Rings, Pro GPX Gas Ported, 4.440 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP444015

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Piston Rings, Pro GPX Gas Ported, 4.130 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP413015

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Piston Rings, Pro GPX Gas Ported, 4.470 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP447016

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Piston Rings, Pro GPX Gas Ported, 4.490 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP449016

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Piston Rings, Pro GPX Gas Ported, 4.040 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 2.5mm Thickness, V8, Set

Part Number: SUM-GP404025

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Piston Rings, Pro GPX Gas Ported, 4.040 in. Bore, File Fit, Gas Nitrided, 0.043 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP404046

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Piston Rings, Pro GPX Gas Ported, 4.045 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP404516

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Piston Rings, Pro GPX Gas Ported, 4.055 in. Bore, File Fit, Gas Nitrided, 1.0mm, 1.0mm, 2.0mm Thickness, V8, Set

Part Number: SUM-GP405510

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Piston Rings, Pro GPX Gas Ported, 3.903 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3.0mm Thickness, V8, Set

Part Number: SUM-GP390313

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Piston Rings, Pro GPX Gas Ported, 3.907 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP390715

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Piston Rings, Pro GPX Gas Ported, 3.766 in. Bore, File Fit, Gas Nitrided, 1.0mm, 1.0mm, 2.0mm Thickness, Single Piston Set,

Part Number: SUM-GP376610

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Piston Rings, Pro GPX Gas Ported, 3.915 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP391516

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