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3.897 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, Set of 8

These 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'll seal mild to high-compression engines, help protect against oil blowby, and feature standard ring end gaps for easy installation.