Piston Rings - 4.000 in. Bore (in.) - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Sealed Power Performance Piston Ring Sets E251K

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

Part Number: SLP-E-251K

4.18 out of 5 stars ( 44 )

Estimated Ship Date: Tomorrow

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Sealed Power Cast Piston Rings E377X

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

Part Number: SLP-E-377X

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Sealed Power Performance Piston Ring Sets E229K

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: Tomorrow

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Sealed Power Performance Piston Ring Sets E920K

Piston Rings, Moly, 4.000 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 6-Cylinder, Set

Part Number: SLP-E-920K

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Sealed Power Performance Piston Ring Sets E459K

Piston Rings, Moly, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. 6-Cylinder, 0.190 in. Deep Groove, VIN Z, Set

Part Number: SLP-E-459K

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Hastings Premium Ductile Ring Sets 2M5508

Piston Rings, Premium Ductile Ring Sets, Plasma-moly, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, L8, V8, Set of 8

Part Number: HSN-2M5508

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Total Seal Gas Ported Piston Ring Sets CR3690GP 5

Piston Rings, Gas Ported, Plasma-moly, 4.000 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: TSR-CR3690GP-5

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Hastings Steel Series Performance Ring Sets SM8556

Engine Piston Ring Set, 8-Cyl Ring Set; Plasma Moly

Part Number: HSN-SM8556

Not Yet Reviewed

Estimated Ship Date: Dec 2, 2025 if ordered today

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Estimated Ship Date: Dec 2, 2025 if ordered today

JE Pistons Premium Race Series Piston Rings J500F8-4000-5

Piston Rings, Plasma-moly, 4.000 in. Bore, 1/16 in, 1/16 in. 3/16 in Thickness, 8-Cylinder, Set

Part Number: JEP-J500F84000-5

Not Yet Reviewed

Estimated Ship Date: Dec 8, 2025 if ordered today

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Estimated Ship Date: Dec 8, 2025 if ordered today

JE Pistons Pro Seal Piston Rings J71408-4000-5

Piston Rings, Plasma-moly, 4.000 in. Bore, 0.043 in., 0.043 in., 3.0 mm, Thickness, 8-Cylinder, Set

Part Number: JEP-J71408-40005

Not Yet Reviewed

Estimated Ship Date: Dec 8, 2025 if ordered today

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Estimated Ship Date: Dec 8, 2025 if ordered today