Here you go: http://www.whitegauges.net/products/1971%2d1973-Ford-Mustang-METRIC-KPH-KMH-White-Face-Gauges.html
Altrimenti puoi andare con un Dakota Digital nuovo, ma i costi sono ben diversi: https://www.dakotadigital.com/index.cfm/page/ptype=product/product_id=922/category_id=434/mode=prod/prd922.htm