Pistons, Rings, Wrist Pins, Bushings & More

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 and Ring Kit, Hypereutectic, Dish, 4.040 in. Bore, Chevy, Small Block, Kit

Part Number: UEM-KB164KTD-040

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Estimated Ship Date: Dec 17, 2025 if ordered today

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Piston and Ring Kit, Hypereutectic, Dome, 4.060 in. Bore, Chevy, Small Block, Kit

Part Number: UEM-KB155KTD-060

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Estimated Ship Date: Dec 17, 2025 if ordered today

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Forged Pro pistons for SB Chevy 327, 4.040 bore, 1.671 C.H., 3.25 in. stroke, 5.7 in. rod, 0cc net vol. dome. 11:1@58cc, 10.2@64cc, 9.8@67cc, 9.3@72cc

Part Number: SUM-SBC327040

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Piston Rings, Gas Nitrided, 4.037 in. Bore, 0.047 in., 0.047 in., 3.0mm Thickness, Single Piston, Set

Part Number: WIS-4037GFX

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Piston Rings, Piston Ring Sets, Phosphate Coated, 4.250 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, L8, V8, Set of 8

Part Number: HSN-4718

5.0 out of 5 stars ( 1 )

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Piston and Ring Kit, Hypereutectic, Dome, 4.030 in. Bore, Chevy, Small Block, Kit

Part Number: UEM-KB157KTM-030

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Piston Rings, Cast Iron, 4.280 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SUM-133-683-30

4.0 out of 5 stars ( 1 )

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Piston and Ring Kit, Forged, 4.030 in. Bore, Ford 347, Kit

Part Number: MLE-930244730

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Piston Rings, Premium Ductile Ring Sets, 0.030 in. Oversize, 4.280 in. Bore, Plasma-moly, 5/64 in., 5/64 in., 3/16 in. Ring Thickness, L8/V8, Set of 8

Part Number: HSN-2M4718030

1.0 out of 5 stars ( 2 )

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Piston/Ring Kit, Hypereutectic, Flat, 4.030 in. Bore, 5/64, 5/64, 3/16 in. Moly Rings, Ford, Small Block, Kit

Part Number: UEM-KB311KTM030

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Estimated Ship Date: Dec 17, 2025 if ordered today

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Pistons, FHR Coated, Forged 4032 Aluminum, Flat Top with Two Reliefs, 3.908 in. Bore, 0.945 in. Wrist Pin, GM, LS, 5.7L, Set

Part Number: UEM-IC9988C-010

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 16, 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-3136-STD

5.0 out of 5 stars ( 1 )

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Piston Rings, Premium Ductile Ring Sets, Standard Size, 3.875 in. Bore, Plasma-moly, 5/64 in., 5/64 in., 3/16 in. Ring Thickness, L8, V8, Set of 8

Part Number: HSN-2M660

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Piston Rings, Pro GPX Gas Ported, 3.630 in. Bore, File Fit, Gas Nitrided, 1.2mm, 1.2mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP363012

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Piston Rings, Pro GPX Gas Ported, 4.065 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 2.5mm Thickness, V8, Set

Part Number: SUM-GP406525

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Piston Rings, Pro GPX Gas Ported, 4.085 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 2.5mm Thickness, V8, Set

Part Number: SUM-GP408525

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Piston Rings, Pro GPX Gas Ported, 4.360 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP436016

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Pistons, E-Series, Forged, Flat, 4.000 in. Bore, Ford, Set of 8

Part Number: DMS-8750-4000

3.0 out of 5 stars ( 2 )

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Piston Rings, Plasma-moly, 4.080 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HSN-2M139080

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Piston Rings, Gas Nitrided, 84mm Bore, 1.0mm, 1.2mm, 2.8mm Thickness, Single Piston, Set

Part Number: WIS-8400XX

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Piston Rings, 4.070 in. Bore, 1.0mm, 1.0mm, 2.0mm Thickness, 8-Cylinder, Set

Part Number: MLE-4075MS-112

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Estimated Ship Date: Nov 25, 2025 if ordered today

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Piston and Ring Kit, Hypereutectic, Dish, 4.005 in. Bore, Ford, Small Block, Kit

Part Number: UEM-KB319KTD-005

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Piston Rings, Pro GPX Gas Ported, 3.635 in. Bore, File Fit, Gas Nitrided, 1.2mm, 1.2mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP363512

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Piston Rings, Premium Ductile Ring Sets, Plasma-moly, 3.780 in. Bore, 2.0mm, 2.0mm, 4.75mm Thickness, Ford, Mercury, 2.3L, Set of 4

Part Number: HSN-2M5613

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