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NGK
Iridium IX Spark Plugs (Set of 8)
SKU: LTR7IX-11
$94.99
+3
Horsepower
+2
Torque (ft-lbs)
Estimated Install Cost
Total with part: $154.99–$279.99
Warranty Safe
50-State Legal
First-time modders or complementing existing upgrades
Compatible Vehicles
2022 Dodge Challenger R/T(5.7L HEMI V8)
2022 Dodge Challenger R/T Scat Pack(6.4L HEMI V8)
2022 Dodge Challenger SRT Hellcat(6.2L Supercharged HEMI V8)
Price Comparison
Compare prices across 1 retailer — all links go to the real product page
Why Install This?
Benefits
- Incremental gains that stack well with other bolt-on mods
- More reliable combustion under high load and boost
- Longer service life compared to stock plugs, especially with forced induction
- Easy bolt-on installation — most people can do this in their driveway with basic tools
Technical Details
Iridium center electrode for improved ignitability and throttle response. Fine-wire tip for concentrated spark energy. Set of 8 for HEMI V8.
Compare Alternatives
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