NGK Iridium/Platinum Spark Plug Box of 4 (SIKR9A7) 2020-gmc-canyon-esi7403438 Pontiac GTO — LS1/LS2

Pontiac GTO — LS1/LS2

Fits In Factory Housing

a frequency-based input for Injector Duty Cycle (IDC)

Add Wow Factor To Your Truck w/AMP PowerStep XL Running Boards

but Classic body style only

NGK Iridium/Platinum Spark Plug Box of 4 (SIKR9A7) 2020-gmc-canyon-esi7403438 Pontiac GTO — LS1/LS2NGK Laser Iridium High Ignitability spark plugs offer the best combination of performance and longevity. Engineered specifically for OE applications, Laser Iridium High Ignitability 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