Pistons & Piston Rings

Piston Rings, 4.030 in. Bore, 1/16 in., 1/16 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-4000BM8-030

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Piston, Pro LS, 4.030 in. Bore, Forged Aluminum, Flat Top, 0.945 Pin Diameter, Chevy, Each

Part Number: SUM-326S454030-2

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Estimated Ship Date: Today

Piston Rings, Chrome, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-251KC

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Piston Rings, Moly, 3.897 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: SLP-E-938K

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Piston Rings, Plasma-moly, 94.000mm Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 4-Cylinder, Set

Part Number: TSR-CR1014

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• Free Shipping

Piston Rings, Premium Ductile Ring Sets, Chrome, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-cylinder, Set

Part Number: HSN-2C139030

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Piston Rings, Cast Iron, 3.563 in. Bore, 3/32 in., 3/32 in., 3/16 in. Thickness, 6-Cylinder, Set

Part Number: SLP-E-237X

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Piston Rings, Premium Ductile Ring Sets, Plasma-moly, 4.000 in. Bore, 1.2mm, 1.2mm, 2.5mm Thickness, L2, V2, Set

Part Number: HSN-2M5299

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Piston Rings, Premium Ductile Ring Sets, Plasma-moly, 4.020 in. Bore, 1.2mm, 1.5mm, 2.5mm Thickness, Each

Part Number: HSN-2M5170S020

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Ring Compressor, Aluminum, Black Anodized, Non-Adjustable, 4.185 in., Each

Part Number: TSR-RC4185

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Piston Rings, Plasma-moly, 4.075 in. Bore, 1.5mm, 1.5mm, 2.5mm Thickness, 8-Cylinder, Set

Part Number: HSN-2M5292010

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Estimated Ship Date: Sep 4, 2025 if ordered today

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• Special Order

Piston, Pro LS, 4.070 in. Bore, Forged Aluminum, Dome, 0.943 Pin Diameter, Chevy, Each

Part Number: SUM-326S434070-2

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Estimated Ship Date: Sep 29, 2025 if ordered today

• Special Order

Piston, Forged, Dish, 3.552 in. Bore, Ford, Each

Part Number: MAN-594100C-1

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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 )

Estimated Ship Date: Sep 8, 2025 if ordered today

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Piston Rings, Moly, 4.040 in. Bore, 1.5mm, 1.5mm, 4.0mm Thickness, 8-Cylinder, Set

Part Number: SLP-E-458K40

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Piston Rings, Moly, 4.290 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-553K40

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

M2 040650 0620 172 TOOL STEEL TOP#

Part Number: TSR-900323

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Estimated Ship Date: Tomorrow if ordered today

• Special Order

Piston Rings, Cast Iron, 4.060 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-R-690260

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Piston, Pro LS, 4.065 in. Bore, Forged Aluminum, Dome, 0.927 Pin Diameter, Chevy, Each

Part Number: SUM-299S274065-2

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Piston Rings, Plasma-moly, 4.070 in. Bore, 5/64 in., 3/32 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HSN-2M574020

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

SINGLE PISTON

Part Number: WIS-5501A4

Not Yet Reviewed

Estimated Ship Date: Sep 12, 2025 if ordered today

• Drop Ship
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Piston Rings, Moly, 3.796 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 0.200 in. Deep Oil Ring Groove, 8-Cylinder, Set

Part Number: SLP-E-356K60

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Piston, Pro LS, 4.000 in. Bore, Forged Aluminum, Flat Top, 0.945 Pin Diameter, Chevy, Each

Part Number: SUM-326S454000-2

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Piston Rings, Moly, 3.810 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, L6, V6, Set

Part Number: SLP-E-222K60

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Piston Rings, Premium Ductile Ring Sets, 0.010 in. Oversize, 3.465 in. Bore, Chrome Top Ring, 1.2mm, 1.5mm, 2.0mm Ring Thickness, L4, Set of 4

Part Number: HSN-2C4564010

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Estimated Ship Date: Today