Mazdaspeed NGK 1-Step Colder Spark Plugs - Set of 4
![](https://d1th1shy3lujuj.cloudfront.net/images/detailed/18/ngk_6510_spark_plugs-Speed3.jpg?t=1710213147)
Came pre gapped perfectly as described. Car kinda pops lil when you first start it up, totally normal. Take it for a drive and it quickly goes away. Overall satisfied with this product
![](https://cdn11.bigcommerce.com/s-4f7bb/images/stencil/500x659/products/8863/26827/ngk_2668_3__71200.1499724144.jpg?c=2)
NGK Iridium IX Spark Plug SET of 4
![](https://corksport.com/images/Mazdaspeed/Mazdaspeed-3-Fuel-Pump-Rebuild-Kit/mazdaspeed3-fuel-pump-rebuild-kit-1.webp)
Mazdaspeed E85 Safe HPFP O-Ring Kit and NGK Spark Plugs Combo
![](https://www.speedscience.co.nz/cdn/shop/products/a9f462ee5cad57bc6a4bac4db285558a_16358d59-86ad-494d-853c-9f47fb60c68b_420x420.jpg?v=1630218190)
Spark Plugs — Speed Science
NGK Iridium IX Spark Plugs are designed specifically for the performance enthusiast. Iridium IX offers extreme ignitability, improved throttle
![](http://www.graveyardperformance.com/cdn/shop/products/ngk-1-step-colder-iridium-spark-plugs-subaru-lfr7aix-2309_400x_f6341509-daab-41e0-918d-34a1208f8ed1.jpg?v=1608428823)
NGK Iridium Spark Plugs One Step Colder 2309 - Subaru EJ25 Turbo Models (inc. 2004+ STI / 2006-2014 WRX)
![](https://m.media-amazon.com/images/I/51VSB1sxLOL._AC_UF894,1000_QL80_.jpg)
Denso (5339) ITV20 Iridium Power Spark Plug, (Pack of 1) : Automotive
![](https://www.stratifiedauto.com/images/Parts/NGK%20plugs.jpeg)
Pre-Gapped NGK Iridium IX Spark Plug SET of 4 - FORD/MAZDA [NGK6510_LTR7IX-11] - $65.00USD : Stratified Automotive Controls
![](https://d1th1shy3lujuj.cloudfront.net/images/thumbnails/900/375/detailed/18/Mazdaspeed_3_NGK_spark_plugs_pre_gapped-1.webp?t=1710213143)
Mazdaspeed NGK 1-Step Colder Spark Plugs - Set of 4
![](https://cdn11.bigcommerce.com/s-4f7bb/images/stencil/500x659/products/8864/26834/ngk_2669_5__56969.1499724218.jpg?c=2)
NGK Iridium IX Spark Plug SET of 4
Please note, these are technically the one-step colder plugs for this fitment, however, it is more common to run these even on factory vehicles. If
![](https://tougetuning.com/wp-content/uploads/2015/01/BKR6EIXl.jpg)
NGK LTR6IX Iridium Spark Plugs – Set of 4 – MazdaSpeed & Ford ST / RS – OEM Heat Range
![](https://cdn11.bigcommerce.com/s-qxs2x/products/464/images/1182/6509-1__70790.1489496318.451.416.jpg?c=2)
NGK 1 step colder Iridium IX Spark Plug - SPEED PERF6RMANC3