This Pro Street floor pan for the AMT 71 Plymouth Duster. Floor features larger rear wheel tubs than the kits to allow larger rear tires and also frame ties. All the front end parts from the stock AMT kit will fit  floor pan. Buyer will have to modify the interior tub to for the larger wheel tubs. This part is geared to a more advanced modeler.  Check out some other resin items at my Ebay store Jerry's House of Resin.