NGK Laser Iridium/Platinum Spark Plug LMAR9AI-8D (Box of 4) — OE Performance & Longevity

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SKU: NGK90526
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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.

NGK Laser Iridium/Platinum LMAR9AI-8D Spark Plugs: Precision Engineered

Upgrade your vehicle's ignition system with the NGK Laser Iridium/Platinum Spark Plug (LMAR9AI-8D), conveniently packaged in a box of four. These spark plugs are meticulously engineered to deliver the ultimate combination of performance and extended longevity, making them an ideal choice for discerning drivers. Designed specifically for Original Equipment (OE) applications, each Laser Iridium spark plug undergoes stringent testing to ensure it meets and exceeds the highest standards of quality and durability, providing reliable ignition in all conditions.

Advanced Materials for Enhanced Durability and Reliability

The superior performance of the LMAR9AI-8D is attributed to its advanced material composition. The iridium-tipped center electrode provides exceptional durability, boasting a hardness six times greater than platinum, which significantly prolongs the plug's service life. NGK's commitment to quality is further evident in the use of high-grade pure alumina ceramic and a 98% pure copper core. This robust construction effectively prevents the spark plug from overheating, maintaining optimal thermal characteristics, and ensuring consistent, reliable starts. Furthermore, these Laser Iridium spark plugs feature a platinum pad on the ground electrode, specifically designed to ensure even wear in distributorless ignition systems, contributing to their remarkable lifespan and consistent performance. Discover the difference with GGCRACING.

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.

NGK Laser Iridium/Platinum LMAR9AI-8D Spark Plugs: Precision Engineered

Upgrade your vehicle's ignition system with the NGK Laser Iridium/Platinum Spark Plug (LMAR9AI-8D), conveniently packaged in a box of four. These spark plugs are meticulously engineered to deliver the ultimate combination of performance and extended longevity, making them an ideal choice for discerning drivers. Designed specifically for Original Equipment (OE) applications, each Laser Iridium spark plug undergoes stringent testing to ensure it meets and exceeds the highest standards of quality and durability, providing reliable ignition in all conditions.

Advanced Materials for Enhanced Durability and Reliability

The superior performance of the LMAR9AI-8D is attributed to its advanced material composition. The iridium-tipped center electrode provides exceptional durability, boasting a hardness six times greater than platinum, which significantly prolongs the plug's service life. NGK's commitment to quality is further evident in the use of high-grade pure alumina ceramic and a 98% pure copper core. This robust construction effectively prevents the spark plug from overheating, maintaining optimal thermal characteristics, and ensuring consistent, reliable starts. Furthermore, these Laser Iridium spark plugs feature a platinum pad on the ground electrode, specifically designed to ensure even wear in distributorless ignition systems, contributing to their remarkable lifespan and consistent performance. Discover the difference with GGCRACING.

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.

NGK Laser Iridium/Platinum LMAR9AI-8D Spark Plugs: Precision Engineered

Upgrade your vehicle's ignition system with the NGK Laser Iridium/Platinum Spark Plug (LMAR9AI-8D), conveniently packaged in a box of four. These spark plugs are meticulously engineered to deliver the ultimate combination of performance and extended longevity, making them an ideal choice for discerning drivers. Designed specifically for Original Equipment (OE) applications, each Laser Iridium spark plug undergoes stringent testing to ensure it meets and exceeds the highest standards of quality and durability, providing reliable ignition in all conditions.

Advanced Materials for Enhanced Durability and Reliability

The superior performance of the LMAR9AI-8D is attributed to its advanced material composition. The iridium-tipped center electrode provides exceptional durability, boasting a hardness six times greater than platinum, which significantly prolongs the plug's service life. NGK's commitment to quality is further evident in the use of high-grade pure alumina ceramic and a 98% pure copper core. This robust construction effectively prevents the spark plug from overheating, maintaining optimal thermal characteristics, and ensuring consistent, reliable starts. Furthermore, these Laser Iridium spark plugs feature a platinum pad on the ground electrode, specifically designed to ensure even wear in distributorless ignition systems, contributing to their remarkable lifespan and consistent performance. Discover the difference with GGCRACING.

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