This Mahle chrome steel top ring set is a direct OEM-style replacement ring specified at 3.6614 x 1.5 mm, crafted for piston top-ring duties where chrome surface properties are required. It’s offered as a coordinated set for rebuilding or repair, presenting a simple way to restore ring sealing on compatible engines without altering existing piston or cylinder specifications.
Mahle Rings 3.6614 X 1.5MM Chrome Steel Top Ring Chrome Ring Set