Pistons & Piston Rings

Piston Rings, Plasma-Moly, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SUM-134-CM553130

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Ring Compressor, Aluminum, Black Anodized, Non-Adjustable, 3.810 in., Each

Part Number: TSR-RC3810

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Piston Rings, Moly, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 6-Cylinder, Set

Part Number: SLP-E-229K

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Piston Rings, Cast Iron, 4.320 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-424X

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Piston Rings, Cast Iron, 4.360 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-296X

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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 )

Estimated Ship Date: Today

Piston Rings, Premium Ductile Ring Sets, Plasma-moly, 4.360 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, L8, V8, W8, Set

Part Number: HSN-2M598

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Dec 19, 2025 if ordered today

• Drop Ship
• Special Order

Piston Rings, Premium Ductile Ring Sets, Plasma-moly, 3.630 in. Bore, 1.2mm, 1.2mm, 2.5mm Thickness, L8, V8, Set of 8

Part Number: HSN-2M4599

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3.032 1.0 1.2 2.8 GP 1CYL

Part Number: TSR-3032CSGP

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Piston Rings, 4.040 in. Bore, 1/16 in., 1/16 in., 3/16 in., Ductile, Plasma-moly, File Fit, 8-Cylinder, Set

Part Number: UEM-4000BD8-045

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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: SLP-E-233X30

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Piston Rings, Piston Ring Sets, 0.040 in. Oversize, 3.915 in. Bore, Phosphate Coated, 5/64 in., 5/64 in., 3/16 in. Ring Thickness, L8, V8, Set of 8

Part Number: HSN-660040

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Piston Rings, Premium Piston Ring Sets, Plasma-moly, 4.250 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, Shallow Oil Ring Groove, V8, Set

Part Number: MAH-41617

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

• Drop Ship
• Special Order

Piston Rings, Moly, 3.950 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-178K40

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Piston Rings, Moly, 4.160 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-299K40

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Piston Rings, Performance, 3.701 in. Bore, Gas Nitrided, 1.2mm, 1.2mm, 2.5mm, 4-Cylinder, 4 Sets

Part Number: MLE-9400MS-12

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Piston Rings, Premium Ductile Ring Sets, Standard Size, 4.094 in. Bore, Plasma-moly, 1.2mm, 1.2mm, 2.0mm Ring Thickness, L8, V8, Set of 8

Part Number: HSN-2M5379

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Piston Rings, Premium Ductile Ring Sets, 0.020 in. Oversize, 3.937 in. Bore, Plasma-moly, 1.2mm, 1.2mm, 2.0mm Ring Thickness, L8, V8, Set of 8

Part Number: HSN-2M5141020

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Estimated Ship Date: Today

Replacement Piston and Components: If not in stock, order MUST be placed to trigger singles. Average ETA of 3 business days if kits are in stock

Part Number: SUM-299S274000-2

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Piston Rings, Premium Ductile Ring Sets, 0.030 in. Oversize, 4.030 in. Bore, Plasma-moly, 5/64 in., 5/64 in., 3/16 in. Thickness, H6, L6, V6, Set of 6

Part Number: HSN-2M592030

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Piston Rings, Plasma-moly, 4.000 in. Bore, 1.5mm, 1.5mm, 4.0mm Thickness, 8-Cylinder, Set

Part Number: MAH-51497CP

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Piston Rings, 4.310 in. Bore, 1/16 in., 1/16 in., 3/16 in., Ductile, Plasma-moly, File Fit, 8-Cylinder, Set

Part Number: UEM-4250BD8-065

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Estimated Ship Date: Today

• Free Shipping

Piston Rings, Moly, 4.060 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: DMS-RSMR100-4060

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Piston Rings, Moly, 3.571 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: SLP-E-916K50MM

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Piston Rings, Premium Ductile Ring Sets, 0.030 in. Oversize, 3.780 in. Bore, Plasma-moly, 5/64 in., 5/64 in., 3/16 in. Thickness, H6, L6, V6, Set of 6

Part Number: HSN-2M656030

Not Yet Reviewed

Estimated Ship Date: Today