Home › Forum › Ask A Member › Mark 25 Spark plugs › Re: Mark 25 Spark plugs
July 12, 2017 at 3:01 pm
#61477
What is the original factory plug then I can get the NGK equivalent? NGK makes many designs with the same heat range, different center electrodes and such all applicable for the same engine. I assume this engine is for general use if not what use?