4-Stroke 13mm NGK Spark Plug BP7HS large tread / 4-stroke spark plugs. Not all 4-stroke motor uses the same spark plug. Some motors use large tread spark plug, some use the small tread spark plug. The picture below shows the small tread spark plug. 13mm thread, large thread spark plug for 2 stroke Moped 50cc Jog.
|To ||shipping service ||First item ||Each additional item ||Delivery*|
|United States||USPS Domestic priority mail ||$6.6 ||$0.6 ||Estimated delivery time is 2 to 3 business days|
* Estimated delivery dates include seller's handling time, and will depend on shipping service selected and receipt of cleared payment. Delivery times may vary, especially during peak periods.