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NGK BR7EF (2 Steps Colder), 11-3346  Product 4916 of 5115 in category Nitrous Systems Corvette  NGK R5671A-11 (6 Steps Colder), 11-6596

NGK R5671A-10 (4 Steps Colder), 11-5820

NGK R5671A-10 (4 Steps Colder), 11-5820
   
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  • 10 heat range
  • 4 Steps Colder
  • Non-Projected Tip
  • Nickel Alloy Tip
  • Gapped at .032
  • Sold Individually

4 Steps Colder This plug is has a heat range of 10 which is generally 4 steps colder than most applications. Check your vehicles recommended heat range to verify.


Spark 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. This plug will fit most LSX applications and Ford 4.6L 2V and 4V motors, and should be gapped at .032".
This product was added to our catalog on Friday 23 January, 2026.
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NGK BR7EF (2 Steps Colder), 11-3346  Product 4916 of 5115 in category Nitrous Systems Corvette  NGK R5671A-11 (6 Steps Colder), 11-6596
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