New SplitFire performance spark plug for select 1965-1986 Ford Mercury

The listing price includes shipping to the lower 48 United States. International shipping is also available.

This is one brand new SplitFire high performance spark plug.  The unique design of the grounding electrode doubles the effective size of the ignition spark leading to increased power, cleaner burn and better fuel economy.  This replaces several OE part numbers; please refer to OEM Interchange below for details.

Please check the engine compatibility information and visually check the picture of the part against the part you are replacing in order to determine if this part is correct for your application.  This is a brand new part; it has never been installed on a vehicle. 

Engine Compatibility

This table summarizes the make and engine that this part is appropriate for.  For full details please refer to Vehicle Compatibility below.

OEM Interchange

This part is interchangeable with the following parts:

We want your experience with us to be a happy one.  If you have any questions, concerns or issues with this product or with your order please contact us so we can make it right.