Gasket SeatNon-Projected TipSilver ElectrodeRecommended Starting Gap at .028″Sold IndividuallySpark Matters:�Using the correct spark plug is a must for nitrous powered vehicles to ensure maximum performance and reliability. A good rule of thumb is to run one step colder plug per each 100HP added over stock. If you are unsure about what spark plug is right for your application contact a Nitrous Outlet tech specialist at 866-648-7637 and we will help you find the perfect plug for your application.�Application:NGK Equivalent heat range is 9.� This spark plug fits the following:2009 and up 5.7L Hemi with Eagle Heads and is 4 steps colder than stock.2015 Hellcat 6.2L Supercharged Engines and is 3 steps colder than stock.
