Pinston ring set for one (1) individaul piston. Genuine AE rings for popular AE 21253 Mini Cooper S replacement piston or A+ 21962 piston. Top rings are .059", oil ring is .118".
Most experienced mechanics will choose the original manufacturer's piston rings for a re-ring job.
Since 2010, these rings have been packaged by Goetze Rings, and are now packaged in individual piston sets.
Please confirm you have 21253 or 21962 pistons before ordering these rings, they will not fit other piston numbers or manufacturers.