
On Most Orders Over $250*
On Most Orders Over $250*
DETAILS
NGK Iridium IX Spark Plugs are designed specifically for the performance enthusiast. Iridium IX offers extreme ignitability, improved throttle response and superior anti fouling.
The 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.
These are one step colder plugs and are recommended for higher horsepower applications. A higher heat range number does not improve engine performance, it increases the plugs ability to dissipate heat.
Stock Number 2309
Heat Range: 7
Plug Gap: .032
Plugs are sold in sets of 4 only
Car was throwing cylinder 3 misfire code and was cutting fuel around 4000 rpms. Swapped these bad boys in and sure enough I’m back to full boost. Will definitely be buying again in the future. 🤘🏼
John,
Thank you for your 5 Star Review of the NGK One Step Colder Spark Plugs. Love to hear you’re back to full boost and running strong.
Regards,
very nice
Larry,
Thank you for your 5 Star Review!
Regards,
good
Kev,
Thank you for your 5 Star Review!
Regards,
good product
Borat,
Thank you for your 5 Star Review.
Regards,
I mean they worked, i just resized them to 0.028
Thank you for your 5 Star Review, Jonathan!
We are glad to hear the NGK Iridium IX Spark Plugs are working well for you after gapping.
Regards,