Pistons, Rings, Wrist Pins, Bushings & More

Piston Rings, Pro GPX Gas Ported, 4.280 in. Bore, File Fit, Gas Nitrided, 0.043 in., 0.043 in., 3.0mm Thickness, V8, Set

Part Number: SUM-GP428043

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Piston Rings, Pro GPX Gas Ported, 4.100 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP410015

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Oil Ring Support Rail, 4.500 in.-4.560 in. Bore, 3/16 in. Thickness, Each

Part Number: MLE-9290057

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Piston Rings, Pro GPX Gas Ported, 4.080 in. Bore, File Fit, Gas Nitrided, 1.0mm, 1.0mm, 2.0mm Thickness, V8, Set

Part Number: SUM-GP408010

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Piston Rings, Pro GPX Gas Ported, 4.350 in. Bore, File Fit, Plasma-moly, 5/64 in., 5/64 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP435064

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Piston Rings, Pro GPX Gas Ported, 3.927 in. Bore, File Fit, Gas Nitrided, 1.2mm, 1.2mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP392712

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Pro GPX 81.25mm/3.199 Gas Ported Rings, Forged Honda B series pistons, File Fit, Gas Nitrided, 1.0mm, 1.2mm, 2.8mm Thickness, Single Piston Set

Part Number: SUM-GP8125XX

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Piston Rings, Pro GPX Gas Ported, 3.898 in. Bore, File Fit, Gas Nitrided, 1.0mm, 1.0mm, 2.0mm Thickness, V8, Set

Part Number: SUM-GP389810

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Piston Ring Groove Lock Spacers, 87mm Bore, Each

Part Number: MAN-462460-1

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Pro GPX 92.5mm/3.642 Gas Ported Rings, Subaru forged pistons, File Fit, Gas Nitrided, 1.0mm, 1.2mm, 2.8mm Thickness, Single Piston Set,

Part Number: SUM-GP9250XX

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Piston Ring Groove Lock Spacers, 87mm Bore, Set of 4

Part Number: MAN-462460-4

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Piston Oil Ring Spacer, 4.000 in. - 4.040 in. Bore, Each

Part Number: MLE-9290024

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Piston Oil Ring Spacer, 4.040 in. - 4.080 in. Bore, Each

Part Number: MLE-9298684

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Piston Oil Ring Spacer, Support Rail, 3.935 in.-3.950 in. Bore, 2mm Thick, Each

Part Number: MLE-1979644

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Piston Rings, Pro GPX Gas Ported, 4.160 in. Bore, File Fit, Gas Nitrided, 0.043 in., 0.043 in., 3.0mm Thickness, V8, Set

Part Number: SUM-GP416043

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Piston Rings, Pro GPX Gas Ported, 3.582 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP358215

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Piston Rings, Pro GPX Gas Ported, 73mm/2.874 in. Bore, Forged Sport Compact, File Fit, Gas Nitrided, 1.0mm, 1.2mm, 2.8mm Thickness, Single Piston Set

Part Number: SUM-GP7300XX

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Pro GPX 82.5mm/3.248 Gas Ported Rings, Forged Honda B series pistons, File Fit, Gas Nitrided, 1.0mm, 1.2mm, 2.8mm Thickness, Single Piston Set,

Part Number: SUM-GP8250XX

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Piston Rings, Pro GPX Gas Ported, 3.907 in. Bore, File Fit, Gas Nitrided, 1.0mm, 1.0mm, 2.0mm Thickness, V8, Set

Part Number: SUM-GP390810

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Piston Rings, Pro GPX Gas Ported, 3.917 in. Bore, File Fit, Gas Nitrided, 1.2mm, 1.2mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP391712

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Piston Rings, Pro GPX Gas Ported, 4.130 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP413016

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Pro GPX 93mm/3.661 Gas Ported Rings, Aftermarket forged pistons, File Fit, Gas Nitrided, 1.0mm, 1.2mm, 2.8mm Thickness, Single Piston Set,

Part Number: SUM-GP9300XX

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Pro GPX 85mm/3.346 Gas Ported Rings, Forged Honda B series pistons, File Fit, Gas Nitrided, 1.0mm, 1.2mm, 2.8mm Thickness, Single Piston Set

Part Number: SUM-GP8500XX

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Pro GPX 89.5mm/3.524 Gas Ported Rings, Forged Sport Compact pistons, File Fit, Gas Nitrided, 1.0mm, 1.2mm, 2.8mm Thickness, Single Piston Set,

Part Number: SUM-GP8950XX

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Pistons, Hypereutectic, Dish, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 4

Part Number: UEM-1491H-040

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Estimated Ship Date: Apr 6, 2026 if ordered today

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