GMP puts you in the driver's seat with all-new upshift and downshift sound chip technology! Press the Start button on the handsome display base and listen to the engine roar to life, then grab hold of the five-speed shifter, and run her through the gears. Upshift and downshift, now with even more realistic sound excitement! Eleven 312PB race cars were built between 1971 and 1973. Team Ferrari used the 1971 race year as a testing ground for the 312 PB, achieving moderate successes in the World Sports Car Championship. Then, in 1972, Ferrari launched an all-out attack on its rivals, dominating the circuit, and winning every race it entered. Ferrari 312 PB Technical Engine specifications: 3.0 liter 180 degree 12 cylinder engine 460 bhp, 11.5:1 compression, 11,800 rpm, top speed nearly 200 mph, Four valves per cylinder, dual overhead cams, Lucas fuel injection and naturally aspirated Five speed gearbox.