DRS class 20306 to 315 extended fuel tanks and parts,  includes side extended tanks, headlights and NRN roof radio pod for the cab, 3d printed noses in beige resin. Any donor body is fine be it disc or centre headcode. As all this detail needs to be removed. The difference is the fuel gauge on the end of the tanks. Later  These will need the holes cut in the bodysides (see pictues) as they are a tight fit and so to produce the flush appearance. As the grills are replaced. These can be glued in with superglue for a good bond. The headlights are designed to take a prewired 0402 led (not included). Then the hole filled with glue to create a lens cover.