Genuine AE ring set for common AE 21251 and far less common AE 21250 pistons. Sold as a group of three rings for one (1) piston only; ring thicknesses are 1.5, 1.5 and 4mm. Ref: 08-521711-00, 08-521714-00, 08-521700-00, 08-521707-00.
For full set of piston rings for four (4) pistons, see R35960.