This kit contains: - 2 drums, 180 x 30 mm (ref : GH27800) - 1 set of 4 brake shoes, ext. diam 180 mm (ref : GH26900P) - 1 set of springs for shoes (ref : GH27100) - 2 wheel cylinders, 17.46 mm (ref : GH26200) - 2 rear bearings kits (ref : GH27400) For models with brake regulator