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United Engine & Machine

KB Performance Piston Ring Sets

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KB Performance OE-quality piston rings are made from ductile iron, and compression rings are available with moly, chrome, and plasma-moly facings for extra durability. They will seal mild to high-compression engines, help protect against oil blow-by, and feature standard ring end gaps for an easy installation.

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KB Performance Piston Ring Sets 4000CS8.STD

KB Performance Piston Ring Sets 4000CS8.STD

KB Performance Piston Ring Sets 4000CS8.STD

Piston Rings, 4.000 in. Bore, 1.5mm, 1.5mm, 3.0mm, Steel, Chrome, 8-Cylinder, Set

Part Number: UEM-4000CS8-STD

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

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