Mahle MS drop-in piston rings for a 3.662 in bore are supplied as a single-cylinder ring set with 1.2mm top, 1.2mm second and 2.0mm oil ring dimensions. These rings are listed as drop-in fitment for the 2018 Ford 5.0 Coyote single-cylinder application and are presented as the ring set for one cylinder in the product description.
Mahle MS 3.662in 1.2mm 1.2mm 2.0mm Drop In Rings 2018 Ford 5.0 Coyote - Single