Brabham BT52B No.5 Winner Italian GP 1983 1:43 scale Spark Resin Model This Brabham BT52B (No.5 Winner Italian GP 1983) resin model is blue & white. It is made by Spark & is 1:43 scale (approx. 10cm / 3.9in long). This model also comes in its own display case to keep it in perfect dust free condition.