Honda once pushed the limits of engineering by testing their Formula 1 engines to spin at more than 21,000 revolutions per minute, chasing every ounce of speed and endurance in the most extreme conditions of racing. At such speeds the pistons inside the engine were moving up and down hundreds of times per second, a level of precision and stress that demanded cutting-edge materials, flawless design, and years of relentless refinement by their engineers. Although modern F1 regulations now limit re