NGK IX Iridium Spark Plug 3689 - Read Reviews on NGK IX Iridium #3689

NGK IX Iridium Spark Plug

Vehicle Specific

Part Number: 3689
Features & Benefits

NGK Iridium IX spark plugs are designed specifically for the performance enthusiast. Iridium IX spark plugs offer extreme ignitibility, improved throttle response and superior anti-fouling.

  • Fine wire Iridium center electrode ensures high durability and a consistently stable spark
  • Iridium alloy has an extremely high melting point, perfect for today's high-performance engines
  • Trivalent metal plating has superior anti-corrosion and anti-seizing properties
  • Special taper-cut ground electrode shape to allow for more area for flame expansion
Product Details
Part Number: 3689
Weight: 0.10lbs
Center Electrode Core Material: Copper
Center Electrode Design: Fine Wire
Center Electrode Tip Material: Iridium
Drive Size: 5/8 in
Gap - Factory Preset: 1.0 mm = 0.040 in
Ground Electrode Configuration: Single
Ground Electrode Design: Tapered
Ground Electrode Tip Material: Nickel Alloy
Insulator Material: Ceramic
Insulator Type: Projected
Manufacturer Heat Range Number: 6
Reach (in): 0.7079
Resistor: Yes
Seat Style: Tapered
Short Style: No
Thread Size: 14 mm
Shipping Information: Overnight and Two Day shipping are not available for PO Box, APO/FPO/DPO or US Territory addresses.
  • Overall

    NGK IX Iridium Spark Plug


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