NGK Laser Iridium/Platinum Spark Plug Box of 4 (LMAR9AI-8D) Suspension>Boots Thanks to its patented Triple

Thanks to its patented Triple Stack Spring Technology

RS-R 2011-2019 Infiniti M37/Q70 V6 RWD (KY51) Down Sus Springs

and alcohols

Installs on the crankcase vent line

Featuring a patented Pass-Through Front Cooling system

NGK Laser Iridium/Platinum Spark Plug Box of 4 (LMAR9AI-8D) Suspension>Boots Thanks to its patented TripleNGK Laser Iridium spark plugs offer the best combination of performance and longevity. Engineered specifically for OE applications, Laser Iridium spark plugs are tested to the highest standards to ensure quality and durability. Iridium tipped center electrode provides durability six times harder than platinum. NGKs high grade pure alumina ceramic and 98 percent pure copper core prevents the spark plug from overheating while providing reliable starts.