sentences:  The car's last major F1 race was its moment of motor racing immortality, as Moss drove the P99 to victory in a damp International Gold Cup at Oulton Park.In February 1963, the car, having been fitted with a 2.5-litre Climax engine, was driven by Graham Hill in the Australian Grand Prix at Warwick Farm and the Lakeside International at Lakeside, placing sixth and second respectively.The P99's final racing action came in the British Hillclimb championship in 1964, 1965, and 1966, with Peter Westbury winning the title in 1964.