If you’ve purchased a pro tune from us or plan on purchasing one, it is absolutely essential that you upgrade your plugs to these 1 step colder, pre-gapped plugs from Function Factory Performance. What do they do exactly? More boost always equals more heat. These plugs have a colder heat range allowing better heat dissipation. These plugs have been gapped to.026 but if needed we can gap them to .028
- FOR TUNED MUSTANG ECOBOOST ONLY
- These plugs are plug and play and require no additional gapping.
- Do not over-torque your plugs, trust us, you’ll have a bad day. 13 ft/lbs are our recommendations.
- 4 plugs are included
- Do not use anti-seize
- There is an option for E85 use
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Function Factory Performance takes “customer service” very personally. We understand that finding the right parts can be overwhelming. Education and awareness are the principles that keep us ahead of the curve. Let us make this experience simple, easy, and awesome, so without hesitation give us a call at (480) 576-8606, feel free to direct message on our live chat or CLICK HERE to contact us via email.