Ford Racing M-12405-3V0 - Ford Racing Spark Plugs
(1 step colder) for nitrous with about 1k miles on them. Gapped at 45
$50 shipped.
Jeg's has them for $99
http://www.jegs.com/i/Ford-Racing/397/M-12405-3V0/10002/-1
I was going to use these on the 100shot nitrous kit I installed, but never got a chance to shoot any nitrous to them when the trans broke. Pull the nitrous kit off and pull the plugs out. Only drove on them for less than month, about 1k miles.
Modular 3-Valve Zero Degree Spark Plug
(1 step colder) for nitrous with about 1k miles on them. Gapped at 45
$50 shipped.
Jeg's has them for $99
http://www.jegs.com/i/Ford-Racing/397/M-12405-3V0/10002/-1
I was going to use these on the 100shot nitrous kit I installed, but never got a chance to shoot any nitrous to them when the trans broke. Pull the nitrous kit off and pull the plugs out. Only drove on them for less than month, about 1k miles.
Modular 3-Valve Zero Degree Spark Plug
- For use in engines with higher than stock cylinder combustion pressures
- Unique design is proprietary to Ford 3-valve engines
- Fits 2005-08 3V Heads w/ 16mm Thread