New Champion Spark Plug HM41E, Replaced by RHM40E New Old Stock (19425). 18mm mounting thread, 1/2" reach, 7/8" hex size, Shielded 3/4"-20 thread, two electrode design.
Please Note: We have or had multiple quantities of the item listed. The photos only represent the general condition of the item.The actual item buyers will receive may slightly differ from the photos.If you have specific requirements, please message us before buying to verify we can meet your needs.