NGK Laser Iridium Spark Plug - Box of 4 (ILTR5E11)

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SKU: NGK91418
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About NGK

NGK engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full NGK lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

NGK Laser Iridium Spark Plugs: The Pinnacle of Ignition Performance

Experience the ultimate in ignition technology with NGK Laser Iridium Spark Plugs. This premium line combines the extreme durability of iridium with the efficiency of platinum to deliver unparalleled performance and longevity for a wide range of vehicles. The ILTR5E11 model is engineered to meet stringent OE standards, ensuring a perfect fit and optimal function.

Advanced Dual-Iridium Technology

NGK's Laser Iridium plugs feature an iridium-tipped center electrode and a platinum pad on the ground electrode. This dual-metal design offers the best of both worlds: the ultra-hard iridium ensures a sharp, consistent spark and exceptional wear resistance, while the platinum pad on the ground electrode provides stability and longevity, especially in modern distributorless ignition systems. The 98% pure copper core within the insulator prevents overheating, guaranteeing reliable starts and consistent performance.

  • OE-Specific Design: Engineered to meet or exceed manufacturer specifications for a perfect fit and function.
  • Extended Longevity: The combination of iridium and platinum provides significantly longer service life compared to conventional plugs.
  • Improved Fuel Economy: A strong, stable spark promotes more complete combustion, potentially leading to better gas mileage.
  • Enhanced Performance: Delivers a powerful spark for improved throttle response and smoother engine operation.
  • Reliable Starting: Superior ignitability ensures quick and easy starts in various conditions.

These plugs are an excellent choice for drivers seeking a high-performance, long-lasting ignition upgrade. They are ideal for daily drivers, performance vehicles, and applications requiring maximum reliability. Trust NGK's expertise for your ignition needs. Find the ILTR5E11 Laser Iridium Spark Plugs and more at GGCRACING.COM.

Vehicle Fitment

Years Make Model Trim
2004-2005 Buick Rainier CXL Plus
2004-2007 Buick Rainier CXL
2015-2016 Cadillac Escalade Premium
2015-2020 Cadillac Escalade Base
2015-2020 Cadillac Escalade Luxury
2015-2020 Cadillac Escalade Platinum
2017-2020 Cadillac Escalade Premium Luxury
2015-2016 Cadillac Escalade ESV Premium
2015-2020 Cadillac Escalade ESV Base
2015-2020 Cadillac Escalade ESV Luxury
2015-2020 Cadillac Escalade ESV Platinum
2017-2020 Cadillac Escalade ESV Premium Luxury
2016-2020 Chevrolet Camaro SS
2020 Chevrolet Camaro LT
2006-2007 Chevrolet Cobalt SS
2007 Chevrolet Cobalt LTZ
2007-2010 Chevrolet Cobalt LS
2007-2010 Chevrolet Cobalt LT
2008 Chevrolet Cobalt Sport
2010 Chevrolet Cobalt Base
2004 Chevrolet Colorado LS
2004 Chevrolet Colorado Base
2004-2005 Chevrolet Colorado Z71 LS
2004-2005 Chevrolet Colorado Z85
2004-2005 Chevrolet Colorado Z85 LS
2004-2005 Chevrolet Colorado Sport
2004-2005 Chevrolet Colorado Sport LS
2004-2005 Chevrolet Colorado Z71
2006-2008 Chevrolet Colorado LS
2006-2012 Chevrolet Colorado LT
2006-2012 Chevrolet Colorado WT
2014-2019 Chevrolet Corvette Stingray
2017-2019 Chevrolet Corvette Grand Sport
2018-2020 Chevrolet Express 2500 Base
2018-2020 Chevrolet Express 2500 LS
2018-2020 Chevrolet Express 2500 LT
2018-2020 Chevrolet Express 3500 Base
2018-2020 Chevrolet Express 3500 LS
2018-2020 Chevrolet Express 3500 LT
2006-2011 Chevrolet HHR LT
2006-2011 Chevrolet HHR LS
2007-2010 Chevrolet HHR LT Panel
2007-2011 Chevrolet HHR LS Panel
2007-2012 Chevrolet Malibu LS
2007-2012 Chevrolet Malibu LT
2008 Chevrolet Malibu Classic LS
2008-2010 Chevrolet Malibu Hybrid
2008-2012 Chevrolet Malibu LTZ
2014-2020 Chevrolet Silverado 1500 WT
2014-2020 Chevrolet Silverado 1500 High Country
2014-2020 Chevrolet Silverado 1500 LT
2014-2020 Chevrolet Silverado 1500 LTZ
2015-2018 Chevrolet Silverado 1500 LS
2015-2020 Chevrolet Silverado 1500 SSV
2016-2020 Chevrolet Silverado 1500 Custom
2019 Chevrolet Silverado 1500 LD Custom
2019 Chevrolet Silverado 1500 LD LT
2019 Chevrolet Silverado 1500 LD WT
2020 Chevrolet Silverado 2500 HD Custom
2020 Chevrolet Silverado 2500 HD High Country

…and 113 additional fitments. Contact us to confirm yours.

Product Details

Product Description
Part Numbers
Sizing & Fit

About NGK

NGK engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full NGK lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

NGK Laser Iridium Spark Plugs: The Pinnacle of Ignition Performance

Experience the ultimate in ignition technology with NGK Laser Iridium Spark Plugs. This premium line combines the extreme durability of iridium with the efficiency of platinum to deliver unparalleled performance and longevity for a wide range of vehicles. The ILTR5E11 model is engineered to meet stringent OE standards, ensuring a perfect fit and optimal function.

Advanced Dual-Iridium Technology

NGK's Laser Iridium plugs feature an iridium-tipped center electrode and a platinum pad on the ground electrode. This dual-metal design offers the best of both worlds: the ultra-hard iridium ensures a sharp, consistent spark and exceptional wear resistance, while the platinum pad on the ground electrode provides stability and longevity, especially in modern distributorless ignition systems. The 98% pure copper core within the insulator prevents overheating, guaranteeing reliable starts and consistent performance.

  • OE-Specific Design: Engineered to meet or exceed manufacturer specifications for a perfect fit and function.
  • Extended Longevity: The combination of iridium and platinum provides significantly longer service life compared to conventional plugs.
  • Improved Fuel Economy: A strong, stable spark promotes more complete combustion, potentially leading to better gas mileage.
  • Enhanced Performance: Delivers a powerful spark for improved throttle response and smoother engine operation.
  • Reliable Starting: Superior ignitability ensures quick and easy starts in various conditions.

These plugs are an excellent choice for drivers seeking a high-performance, long-lasting ignition upgrade. They are ideal for daily drivers, performance vehicles, and applications requiring maximum reliability. Trust NGK's expertise for your ignition needs. Find the ILTR5E11 Laser Iridium Spark Plugs and more at GGCRACING.COM.

Vehicle Fitment

Years Make Model Trim
2004-2005 Buick Rainier CXL Plus
2004-2007 Buick Rainier CXL
2015-2016 Cadillac Escalade Premium
2015-2020 Cadillac Escalade Base
2015-2020 Cadillac Escalade Luxury
2015-2020 Cadillac Escalade Platinum
2017-2020 Cadillac Escalade Premium Luxury
2015-2016 Cadillac Escalade ESV Premium
2015-2020 Cadillac Escalade ESV Base
2015-2020 Cadillac Escalade ESV Luxury
2015-2020 Cadillac Escalade ESV Platinum
2017-2020 Cadillac Escalade ESV Premium Luxury
2016-2020 Chevrolet Camaro SS
2020 Chevrolet Camaro LT
2006-2007 Chevrolet Cobalt SS
2007 Chevrolet Cobalt LTZ
2007-2010 Chevrolet Cobalt LS
2007-2010 Chevrolet Cobalt LT
2008 Chevrolet Cobalt Sport
2010 Chevrolet Cobalt Base
2004 Chevrolet Colorado LS
2004 Chevrolet Colorado Base
2004-2005 Chevrolet Colorado Z71 LS
2004-2005 Chevrolet Colorado Z85
2004-2005 Chevrolet Colorado Z85 LS
2004-2005 Chevrolet Colorado Sport
2004-2005 Chevrolet Colorado Sport LS
2004-2005 Chevrolet Colorado Z71
2006-2008 Chevrolet Colorado LS
2006-2012 Chevrolet Colorado LT
2006-2012 Chevrolet Colorado WT
2014-2019 Chevrolet Corvette Stingray
2017-2019 Chevrolet Corvette Grand Sport
2018-2020 Chevrolet Express 2500 Base
2018-2020 Chevrolet Express 2500 LS
2018-2020 Chevrolet Express 2500 LT
2018-2020 Chevrolet Express 3500 Base
2018-2020 Chevrolet Express 3500 LS
2018-2020 Chevrolet Express 3500 LT
2006-2011 Chevrolet HHR LT
2006-2011 Chevrolet HHR LS
2007-2010 Chevrolet HHR LT Panel
2007-2011 Chevrolet HHR LS Panel
2007-2012 Chevrolet Malibu LS
2007-2012 Chevrolet Malibu LT
2008 Chevrolet Malibu Classic LS
2008-2010 Chevrolet Malibu Hybrid
2008-2012 Chevrolet Malibu LTZ
2014-2020 Chevrolet Silverado 1500 WT
2014-2020 Chevrolet Silverado 1500 High Country
2014-2020 Chevrolet Silverado 1500 LT
2014-2020 Chevrolet Silverado 1500 LTZ
2015-2018 Chevrolet Silverado 1500 LS
2015-2020 Chevrolet Silverado 1500 SSV
2016-2020 Chevrolet Silverado 1500 Custom
2019 Chevrolet Silverado 1500 LD Custom
2019 Chevrolet Silverado 1500 LD LT
2019 Chevrolet Silverado 1500 LD WT
2020 Chevrolet Silverado 2500 HD Custom
2020 Chevrolet Silverado 2500 HD High Country

…and 113 additional fitments. Contact us to confirm yours.

Product Details

Product Description

About NGK

NGK engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full NGK lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

NGK Laser Iridium Spark Plugs: The Pinnacle of Ignition Performance

Experience the ultimate in ignition technology with NGK Laser Iridium Spark Plugs. This premium line combines the extreme durability of iridium with the efficiency of platinum to deliver unparalleled performance and longevity for a wide range of vehicles. The ILTR5E11 model is engineered to meet stringent OE standards, ensuring a perfect fit and optimal function.

Advanced Dual-Iridium Technology

NGK's Laser Iridium plugs feature an iridium-tipped center electrode and a platinum pad on the ground electrode. This dual-metal design offers the best of both worlds: the ultra-hard iridium ensures a sharp, consistent spark and exceptional wear resistance, while the platinum pad on the ground electrode provides stability and longevity, especially in modern distributorless ignition systems. The 98% pure copper core within the insulator prevents overheating, guaranteeing reliable starts and consistent performance.

  • OE-Specific Design: Engineered to meet or exceed manufacturer specifications for a perfect fit and function.
  • Extended Longevity: The combination of iridium and platinum provides significantly longer service life compared to conventional plugs.
  • Improved Fuel Economy: A strong, stable spark promotes more complete combustion, potentially leading to better gas mileage.
  • Enhanced Performance: Delivers a powerful spark for improved throttle response and smoother engine operation.
  • Reliable Starting: Superior ignitability ensures quick and easy starts in various conditions.

These plugs are an excellent choice for drivers seeking a high-performance, long-lasting ignition upgrade. They are ideal for daily drivers, performance vehicles, and applications requiring maximum reliability. Trust NGK's expertise for your ignition needs. Find the ILTR5E11 Laser Iridium Spark Plugs and more at GGCRACING.COM.

Vehicle Fitment

Years Make Model Trim
2004-2005 Buick Rainier CXL Plus
2004-2007 Buick Rainier CXL
2015-2016 Cadillac Escalade Premium
2015-2020 Cadillac Escalade Base
2015-2020 Cadillac Escalade Luxury
2015-2020 Cadillac Escalade Platinum
2017-2020 Cadillac Escalade Premium Luxury
2015-2016 Cadillac Escalade ESV Premium
2015-2020 Cadillac Escalade ESV Base
2015-2020 Cadillac Escalade ESV Luxury
2015-2020 Cadillac Escalade ESV Platinum
2017-2020 Cadillac Escalade ESV Premium Luxury
2016-2020 Chevrolet Camaro SS
2020 Chevrolet Camaro LT
2006-2007 Chevrolet Cobalt SS
2007 Chevrolet Cobalt LTZ
2007-2010 Chevrolet Cobalt LS
2007-2010 Chevrolet Cobalt LT
2008 Chevrolet Cobalt Sport
2010 Chevrolet Cobalt Base
2004 Chevrolet Colorado LS
2004 Chevrolet Colorado Base
2004-2005 Chevrolet Colorado Z71 LS
2004-2005 Chevrolet Colorado Z85
2004-2005 Chevrolet Colorado Z85 LS
2004-2005 Chevrolet Colorado Sport
2004-2005 Chevrolet Colorado Sport LS
2004-2005 Chevrolet Colorado Z71
2006-2008 Chevrolet Colorado LS
2006-2012 Chevrolet Colorado LT
2006-2012 Chevrolet Colorado WT
2014-2019 Chevrolet Corvette Stingray
2017-2019 Chevrolet Corvette Grand Sport
2018-2020 Chevrolet Express 2500 Base
2018-2020 Chevrolet Express 2500 LS
2018-2020 Chevrolet Express 2500 LT
2018-2020 Chevrolet Express 3500 Base
2018-2020 Chevrolet Express 3500 LS
2018-2020 Chevrolet Express 3500 LT
2006-2011 Chevrolet HHR LT
2006-2011 Chevrolet HHR LS
2007-2010 Chevrolet HHR LT Panel
2007-2011 Chevrolet HHR LS Panel
2007-2012 Chevrolet Malibu LS
2007-2012 Chevrolet Malibu LT
2008 Chevrolet Malibu Classic LS
2008-2010 Chevrolet Malibu Hybrid
2008-2012 Chevrolet Malibu LTZ
2014-2020 Chevrolet Silverado 1500 WT
2014-2020 Chevrolet Silverado 1500 High Country
2014-2020 Chevrolet Silverado 1500 LT
2014-2020 Chevrolet Silverado 1500 LTZ
2015-2018 Chevrolet Silverado 1500 LS
2015-2020 Chevrolet Silverado 1500 SSV
2016-2020 Chevrolet Silverado 1500 Custom
2019 Chevrolet Silverado 1500 LD Custom
2019 Chevrolet Silverado 1500 LD LT
2019 Chevrolet Silverado 1500 LD WT
2020 Chevrolet Silverado 2500 HD Custom
2020 Chevrolet Silverado 2500 HD High Country

…and 113 additional fitments. Contact us to confirm yours.

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