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R-7420-10 Racing Spark Plug by NGK

Description

A great option for you Race or Trackday MAZDA RX8, this deal is for a SET of 4

These plugs are performance option made in Japan by NGK

 he NGK R7420-10 is a high-performance racing spark plug designed for extreme conditions, featuring an iridium-tipped center electrode and platinum ground electrode for enhanced ignition, durability, and throttle response in modified/motorsport engines, known for its heat resistance, reliability, and specialized ring-shaped earth electrode for high RPMs. 

 

Key Features & Specifications:
  • Type: Racing Spark Plug.
  • Electrode: Fine-wire Iridium center electrode & Platinum ground electrode for better sparking and longevity.
  • Design: Ring-shaped earth electrode to handle high-speed engine conditions (15,000+ RPM).
  • Insulator: Pure alumina silicate ceramic for strength and heat transfer.
  • Core: Copper core for efficient heat removal.
  • Plating: Trivalent metal plating for anti-corrosion and anti-seize.
  • Insulator Nose: Special configuration to improve throttle response.
  • Ribs: Corrugated ribs to prevent flashover.
  • Seals: Triple seals to prevent leakage.
  • Resistor: Yes (R-type).
  • Thread Size: 14mm.
  • Reach: 21.5mm (0.846").
  • Hex Size: 20.64mm (13/16").
  • Seat Type: Gasket. 

 

 

R-7420-10 Racing Spark Plug by NGK

Product form

A great option for you Race or Trackday MAZDA RX8, this deal is for a SET of 4 These plugs... Read more

$249.00  $219.00 Incl. GST

    • Guaranteed secure & safe checkout.

    • Free shipping on all orders above $100.00

    Description

    A great option for you Race or Trackday MAZDA RX8, this deal is for a SET of 4

    These plugs are performance option made in Japan by NGK

     he NGK R7420-10 is a high-performance racing spark plug designed for extreme conditions, featuring an iridium-tipped center electrode and platinum ground electrode for enhanced ignition, durability, and throttle response in modified/motorsport engines, known for its heat resistance, reliability, and specialized ring-shaped earth electrode for high RPMs. 

     

    Key Features & Specifications:
    • Type: Racing Spark Plug.
    • Electrode: Fine-wire Iridium center electrode & Platinum ground electrode for better sparking and longevity.
    • Design: Ring-shaped earth electrode to handle high-speed engine conditions (15,000+ RPM).
    • Insulator: Pure alumina silicate ceramic for strength and heat transfer.
    • Core: Copper core for efficient heat removal.
    • Plating: Trivalent metal plating for anti-corrosion and anti-seize.
    • Insulator Nose: Special configuration to improve throttle response.
    • Ribs: Corrugated ribs to prevent flashover.
    • Seals: Triple seals to prevent leakage.
    • Resistor: Yes (R-type).
    • Thread Size: 14mm.
    • Reach: 21.5mm (0.846").
    • Hex Size: 20.64mm (13/16").
    • Seat Type: Gasket. 

     

     

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