These Denso IKH01-24 spark plugs are ideal for cars with performance software upgrades and/or turbocharger upgrade kits running increased boost pressure. These long-life iridium spark plugs will outlast and outperform the factory spark plugs. These spark plugs are a recommended performance upgrade for the Audi 8S TTRS & 8V.5 RS3 2.5 TFSI ignition system, and replace part number 06K 905 601 M.

Features

  • Pre-Gapped to 0.7mm
  • 0.4 mm. Iridium Tipped Laser Welded Fine Wire Center Electrode
  • 0.8 mm Fine Wire Pure Platinum Ground Electrode
  • Special Hardened Insulator is 20% Stronger for Hard Core Racing Applications
  • Patented Self Cleaning Electrode Design
  • Silicone Oil Coated Insulator to Repel Moisture and Carbon Buildup
  • Handles Extreme Compression and Boost Levels
  • Machine Rolled Threads Prevent Seizing or Cross Threading During Installation and Removal
  • 100% Pre-Fired to Assure the Highest Quality Possible
  • Purified Alumina Powder Insulator Provides Exceptional Strength and Thermal Conductivity
  • Five Rib Insulator Prevents Flashover
  • Copper-Glass Seal Bonds Center Electrode and Insulator for a Gas-Tight Seal

Specifications

  • Plug
    • Thread Size - 14 mm
    • Hex Size - 16 mm
    • Reach - 26.5 mm
    • Seat Type - Gasket
    • Pre-Gapped - 0.7 mm.
    • Heat Range - 24 (Denso scale)
  • Center Electrode
    • Type - Fine Wire
    • Material - Iridium
    • Size - 0.4 mm
  • Ground Electrode
    • Type - Taper Cut
    • Material - Nickel
    • Size - 0.8mm