BRAND NEW TOP QUALITY STANDARD SIZE PISTON RING  SET FITS BMW MINI 1.6 R50 R52 R53 . 
MINI ONE, COOPER, JOHN COOPER WORKS, S WORKS AND COOPER S. W10B16A AND W11B16A ENGINES
Top Ring: 1.2mm
Middle Ring: 1.2mm
Bottom / Oil Control Ring: 2.5mm