The Mahle OE plain piston ring set is a direct-replacement kit for 428 cubic-inch Ford engines used in 1966–1970 applications, including Ford industrial and truck units and 1969 Mercury 428 engines. Mahle piston rings are developed to OE-driven standards to reduce friction and ring mass, minimize engine oil consumption and provide longer service life, restoring seal and dependable operation in older engines.
Mahle Rings Ford 428 Eng 66-70 Ford Ind Ford Trk 428 Eng 1969 Merc 428 Eng Plain Ring Set