NGK IX Iridium Spark Plug (Set of 4) (ngk93501)

This is the NGK IX Iridium Spark Plug (Set of 4). Part ngk93501. Ignition parts (coils, plugs and wires) deliver a strong, consistent spark.

NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode's durability is six times harder than platinum. Iridium alloy's extremely high melting point is perfect for today's engines. For even greater performance consider upgrading to an NGK Ruthenium HX plug.

Features and benefits

• RECOMMENDED USAGE: Modified or high performance applications, or as an upgrade to OE nickel alloy spark plugs
• Trivalent metal plating for superior anti-corrosion and anti-seizing properties
• Outstanding acceleration, high fuel efficiency and durability
• Fine iridium tip ensures durable and consistent spark

Product details

• Part type: Ignition
• Brand: NGK
• Ground Electrode Tip Design: Taper Cut
• Ground Configuration: Standard
• 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: 14
• Insulator Height: 51.00
• Manufacturer Heat Range: 7
• Seat Type: Flat
• Reach: 26.5
• NGK part number: ngk93501

Fitment

• Vehicle: Honda Civic (10th Gen), Mazda Miata MX-5 (ND), Nissan 350Z (Z33)
• Years and trims on file: 2016-2018 Honda Civic EX; 2016-2020 Honda Civic LX; 2016-2018 Honda Civic LX-P; 2019-2020 Honda Civic Sport; 2016-2020 Mazda MX-5 Miata Club; 2016-2020 Mazda MX-5 Miata Grand Touring; 2017-2020 Mazda MX-5 Miata RF Club; 2017-2020 Mazda MX-5 Miata RF Grand Touring; 2016-2020 Mazda MX-5 Miata Sport; 2007-2008 Nissan 350Z Base; 2007-2009 Nissan 350Z Enthusiast; 2007-2009 Nissan 350Z Grand Touring; plus 2 more on file
• Application listing: NGK IX Iridium Spark Plug (Set of 4)
• 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.