“Cold” spark plugs normally have a short heat flow path. This results in a very quick rate of heat transfer. Additionally, the short insulator nose found on cold spark plugs has a small surface area, which does not allow for a massive amount of heat absorption.

GAK promotes the new era of China’s Spark Plug leading to change. Professional supply of Spark Plug for more than 10 years（China spark plug)

GAK promotes the new era of China’s Spark Plug leading to change. Professional supply of Spark Plug for more than 10 years. We hope to offer you excellent service with perfect products. （China spark plug)

The spark plug is a seemingly simple device, although it is tasked with a couple of different but critical jobs. First and foremost, it creates (literally) an artificial bolt of lightning within the combustion chamber (cylinder head) of the engine.

The automobile water cooling system consists of water pump, radiator, cooling fan, thermostat, compensation water bucket, water jacket in engine block， cylinder head and other auxiliary devices. Among them, the water pump is a centrifugal water pump, and its function is to pressurize the coolant t......