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NGK Laser Iridium Spark Plug Box of 4 (LTR6CI-8)

Upgrade your vehicle's performance with the NGK Laser Iridium Spark Plug Box of 4 (LTR6CI-8). Engineered to provide the best combination of performance and longevity, these spark plugs are designed to meet the highest standards of quality and durability.

With an iridium-tipped center electrode that's six times harder than platinum, these spark plugs ensure reliable starts and prevent overheating. The high-grade pure alumina ceramic and 98% pure copper core also provide exceptional durability and performance.

  • Recommended for vehicles with OE fine wire iridium alloy plugs
  • Iridium-tipped center electrode for improved durability
  • Platinum pad on the ground electrode for even wear in distributorless ignition systems

This product fits more vehicles than loaded. Please select your vehicle to see all fits.

Make Model Year Type
Ford Expedition 2015 EL King Ranch
Ford Expedition 2015 EL Limited
Ford Expedition 2015 EL Platinum
Ford Expedition 2015 EL XL
Ford Expedition 2015 EL XLT
Ford Expedition 2015 King Ranch
Ford Expedition 2015 Limited
Ford Expedition 2015 Platinum
Ford Expedition 2015 XL
Ford Expedition 2015 XLT
Ford Expedition 2016 EL King Ranch
Ford Expedition 2016 EL Limited
Ford Expedition 2016 EL Platinum
Ford Expedition 2016 EL SSV
Ford Expedition 2016 EL XL
Ford Expedition 2016 EL XLT
Ford Expedition 2016 King Ranch
Ford Expedition 2016 Limited
Ford Expedition 2016 Platinum
Ford Expedition 2016 SSV
Ford Expedition 2016 XL
Ford Expedition 2016 XLT
Ford Expedition 2017 EL King Ranch
Ford Expedition 2017 EL Limited
Ford Expedition 2017 EL Platinum
Ford Expedition 2017 EL SSV
Ford Expedition 2017 EL XL
Ford Expedition 2017 EL XLT
Ford Expedition 2017 King Ranch
Ford Expedition 2017 Limited
Ford Expedition 2017 Platinum
Ford Expedition 2017 SSV
Ford Expedition 2017 XL
Ford Expedition 2017 XLT
Ford Expedition 2018 Limited
Ford Expedition 2018 Max Limited
Ford Expedition 2018 Max Platinum
Ford Expedition 2018 Max XL
Ford Expedition 2018 Platinum
Ford Expedition 2018 SSV
Ford Expedition 2018 XL
Ford Expedition 2018 XLT
Ford Explorer 2013 Sport
Ford Explorer 2014 Sport
Ford Explorer 2015 Sport
Ford Explorer 2016 Platinum
Ford Explorer 2016 Sport
Ford Explorer 2017 Platinum
Ford Explorer 2017 Sport
Ford Explorer 2018 Platinum
Ford Explorer 2018 Sport
Ford Explorer 2019 Platinum
Ford Explorer 2019 Sport
Ford F-150 2011 FX2
Ford F-150 2011 FX4
Ford F-150 2011 King Ranch
Ford F-150 2011 Lariat
Ford F-150 2011 Platinum
Ford F-150 2011 XL
Ford F-150 2011 XLT
Ford F-150 2012 FX2
Ford F-150 2012 FX4
Ford F-150 2012 King Ranch
Ford F-150 2012 Lariat
Ford F-150 2012 Platinum
Ford F-150 2012 XL
Ford F-150 2012 XLT
Ford F-150 2013 FX2
Ford F-150 2013 FX4
Ford F-150 2013 King Ranch
Ford F-150 2013 Lariat
Ford F-150 2013 Limited
Ford F-150 2013 Platinum
Ford F-150 2013 XL
Ford F-150 2013 XLT
Ford F-150 2014 FX2
Ford F-150 2014 FX4
Ford F-150 2014 King Ranch
Ford F-150 2014 Lariat
Ford F-150 2014 Limited
Ford F-150 2014 Platinum
Ford F-150 2014 XL
Ford F-150 2014 XLT
Ford F-150 2015 King Ranch
Ford F-150 2015 Lariat
Ford F-150 2015 Platinum
Ford F-150 2015 XL
Ford F-150 2015 XLT
Ford F-150 2016 King Ranch
Ford F-150 2016 Lariat
Ford F-150 2016 Limited
Ford F-150 2016 Platinum
Ford F-150 2016 SSV
Ford F-150 2016 XL
Ford F-150 2016 XLT
Ford F-150 2017 King Ranch
Ford F-150 2017 Lariat
Ford F-150 2017 Limited
Ford F-150 2017 Platinum
Ford F-150 2017 Raptor
NGK manufactures spark plugs and spark plug wires, as well as glow plugs for diesel applications. Their range of spark plugs cover everything from OEM replacement to Ultimate Performance plugs, and are available as traditional copper, platinum, or iridium tips. NGK’s reputation as an OEM supplier for many car manufacturers makes them a top choice for spark plugs. Few brands can make that claim and have the quality to back it up.
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