No, spark plugs come in a variety of sizes, satisfying the needs of all types of engines such as smaller ones used in lawnmowers and chainsaws. It is very important never to take a ‘one size fits all’ approach. Afterall, NGK SPARK PLUG manufactures well over 1,000 different spark plugs for cars alone, with each car having its own particular spark plug specifications. The company’s catalogues or online part finder are useful tools to identify an engine’s correct plug.
While the above has provided some technical insight into the workings of NGK SPARK PLUG’s most famous product, there are indeed many more interesting questions to be answered about spark plugs and the company’s other products.