NGK Iridium/Platinum Spark Plug Box of 4 (SILZKR7B11) (ngk9723)

This is the NGK Iridium/Platinum Spark Plug Box of 4 (SILZKR7B11). Part ngk9723. Ignition parts (coils, plugs and wires) deliver a strong, consistent spark.

NGK 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 overheating while providing reliable starts. Laser Iridium High Ignitability spark plugs feature raised platinum pad or platinum fine wire tip on the ground electrode for even wear in distributorless ignition systems and improved spark performance.

Features and benefits

• RECOMMENDED USAGE: Best for vehicles with OE SPE iridium alloy plugs
• Trivalent metal plating for superior anti-corrosion and anti-seizing properties
• Pure alumina silicate ceramic insulator provides superior strength and better heat transfer
• Copper core aids in heat removal
• Triple seals prevent leakage

Product details

• Part type: Ignition
• Brand: NGK
• Resistance: 5000.0
• Ground Electrode Tip Design: Square Platinum Electrode - High Ignitability
• Ground Configuration: Standard
• Ground Electrode Core Material: Nickel
• Electrical Terminal Type: Non-Removable Nut
• Center Electrode Core Material: Copper
• Center Electrode Tip Material: Iridium
• Pre-Gap Size: .044
• Ground Electrode Quantity: 1
• Hex Size: 5/8
• Insulator Height: 50.00
• Manufacturer Heat Range: 7
• Seat Type: Flat
• Reach: 26.5
• NGK part number: ngk9723

Fitment

• Vehicle: Dodge Charger / Challenger (LX), Hyundai Genesis Coupe
• Years and trims on file: 2017-2020 Dodge Challenger GT; 2014 Dodge Challenger Rallye Redline; 2011 Dodge Challenger SE; 2012-2020 Dodge Challenger SXT; 2012 Dodge Challenger SXT Plus; 2015-2018 Dodge Challenger SXT Plus; 2018-2020 Dodge Charger GT; 2012-2020 Dodge Charger Pursuit; 2011-2017 Dodge Charger SE; 2012-2020 Dodge Charger SXT; 2012 Dodge Charger SXT Plus; 2018 Dodge Charger SXT Plus; plus 6 more on file
• Application listing: NGK Iridium/Platinum Spark Plug Box of 4 (SILZKR7B11)
• Check the vehicle, model years, engine and trim above against your car before ordering. Not sure? Ask us and we will check it against your VIN.

Shipping & returns

• Orders are processed within 1–3 business days; standard delivery is 3–7 business days within the United States.
• NGK parts are supplied through our distributor. We confirm availability and lead time with you after you order.
• We currently ship within the U.S. only. See our Shipping Policy.
• 30-day returns on unused parts in original packaging — see our Return Policy.

Installation at Team ANBD

Team ANBD is a performance shop in Andover, New Jersey. We can align or corner-balance the car, and prep track cars. Book an appointment or ask us about installation and fitment before you order.