**Effective 1/14/2020, we are moving from the SP-542 spark plugs to the M-12405-35T spark plug, which is the Ford Racing variant. The specifications are the same, but the part number will be different.**
As you increase boost and spark demand on your vehicle, the wear and tear on your factory spark plugs increases and the factory heat range is unable to keep up with what our tunes require.
Ortiz Performance exclusively used Motorcraft SP-542 Spark Plugs in all of our power packs. 1 Heat Range colder that the factory SP-534s for added knock resistance and pre-gapped to 0.026" to prevent spark blowout.
Sold in a Set of 6. For alternative quantities please contact us for best pricing!
$99.99 Regular Price