Together with the 643 WRX kit Rosso released a so called Grade up parts set. Because this set has been produced in less numbers than the 643 basic kit, it is very rare today. If you can get one at all, it is very expensive. Mostly it is sold only together with the basic kit. The following material has been included to detail your model:

• various pipe parts (rubber and vynil)

• pipe connectors and brake/clutch cylinders
  (white metal)

• heat shield plates, cowl fasteners, Ferrari emblem (tail), template for logos on tyres (photo etching), adjusting
  wheels (diecasting)

• driving pose figure (vynil chloride)

• marking on driver suit, detailed marking (decal)

• self-adhesive foil, small rivets, instructions