What spark plug for international 574 gas C200 engine burns hottest?

For the International 574 gas C200 engine, a commonly recommended spark plug that burns hotter is the AC Delco R43T or equivalent. These plugs are designed to provide a hotter burn, which can help in achieving better combustion and performance in certain conditions. However, it's essential to ensure that the hotter plug is suitable for your specific application and operating conditions to avoid potential engine damage. Always consult the engine's manual or a professional for the best recommendation based on your needs.