**COYOTE/PREDATOR Spark Plugs ONLY**
- Perfect for nitrous and force inducted engines ( 1 step colder then stock)
- Iridium tip for a constant stable spark
- Improves fuel economy and lower emissions
- NGK part# LTR7IX-11; NGK stock# 6510
- 14mm thread pattern
- Fits 2011-2014 GT and BOSS Mustangs
