Perkins' 4.99 1.6 litre (99 cubic inch) and the P4C engine [192 cubic inch], producing 45 or 60 horsepower , were popular in Europe and Israel for taxis and commercially driven cars during the 1950s and early 1960s; many cars, including American imports, were retrofitted with these engines for taxi use, with kits made by Hunter NV of Belgium.