Originally Posted by
Gpeterson119
Hey alax, I saw on another forum that you are using the NGK Iridium IXs. Did you have to gap them? Everyone and websites say they fit the car perfectly,
but the crossfire n/a is supposed to have a 0.039" gap and the NGK's come pregapped at 0.030"
I ordered mine from Rob at NeedsWings, I checked them and they were correct at .039-.040 when I unboxed them .....
from
Performance auto parts & aftermarket auto accessories for your car, specializing SRT4, Crossfire SRT6, SLK32, C32 AMG, VR-4 :
NGK Iridium IX Spark Plug Set Stock Heat range
Designed specifically for the performance enthusiast. Iridium IX® offers extreme ignitability, improved throttle response and superior anti fouling
Fine Iridium tip ensures high durability and a consistently stable spark
Iridium alloy has extremely high melting point, perfect for today’s high-tech, high-performance engines
Trivalent Metal Plating - superior anti-corrosion and anti-seizing properties
Outstanding acceleration, high fuel efficiency and durability
Ultimate design, technology and performance.
Torque spec for plugs are 21 ft/lbs
Recommended gap is 0.039"