NGK Iridium IX Plug Number CR9EIX Spark Plug - 3521
- Part #
- 3521
- Line:
- NGK
Product Information
- Warranty: 1 Year Limited Warranty
- Unit of Measure: Each
- UPC: # 87295135211
- Seat: Flat
- Thread Size: M10
- Heat Range: 9
- Resistor Type: Yes
- Hex Size (in): 5/8 Inch
- Washer Included: Yes
- Preset Gap (in): 0.032 Inch
- Thread Reach (in): 0.750 Inch
- Ground Configuration: Standard
- Ground Electrode Core Material: Nickel
- Number Of Ground Electrodes: 1
- Center Electrode Core Material: Copper
- Center Electrode Tip Material: Iridium
- Ground Electrode Tip Design: Tapered
- Approximate Resistor Value (Ohm): 5000 Ohm
- Insulator Height (mm): 50mm
- Electrical Terminal Type: Removable Nut
- Center Electrode Design: Fine Wire
- Service Number: CR9EIX
Applications for this Product
- Select a vehicle to see vehicle applications.
Detailed Description
Spark Plug; Plug Number: CR9EIX;
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
- SINGLE IRIDIUM TIP: Fine wire 0.6 millimeter iridium tip center electrode ensures high durability and a consistently stable spark
- IRIDIUM ALLOY CENTER ELECTRODE: Iridium's density (6x that of platinum) and extremely high melting point is perfect for modern high efficiency engines
- TAPERED CUT GROUND ELECTRODE: Reduced quenching design produces outstanding ignitability, improved acceleration, fuel efficiency and durability
- SOLID COPPER CORE: 98 percent pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
- TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
- RECOMMENDED USAGE: Modified or high performance applications, or as an upgrade to OE nickel alloy spark plugs
Brand Information
Since 1936 NGK has lead the industry in technology, innovation and world class design of its entire product line. You can depend on NGK for quality and reliability. With state-of-the-art manufacturing, inventory and distribution facilities in Irvine, California, Sissonville, West Virginia, Chicago, Illinois and ISO 14001 & ISO/TS 16949 certification, NGK is dedicated to providing our customers with the finest products and service possible.