Set of 4 NGK 97968 ILZKBR7B8G Iridium Spark Plugs for Mini Cooper S, JCW & GP

Set of 4 NGK 97968 ILZKBR7B8G Iridium Spark Plugs

The NGK 97968 (ILZKBR7B8G) Iridium Spark Plug is a high-quality OEM-specification component designed for MINI models equipped with W11B16A and N14B16A engines. It offers consistent ignition performance, fuel efficiency, and long service life

This spark plug is a direct-fit replacement for the following MINI petrol engines:

Supercharged – W11B16A

• MINI Cooper S R50/R53 (2002–2006)

• MINI John Cooper Works R53

• MINI GP (GP1 – R53)

Turbocharged – N14B16A

• MINI Cooper S R55, R56, R57, R58, R59 (2007–2012)

• MINI John Cooper Works (JCW)

• MINI GP (GP2 – R56)

  
  

  Features and Benefits

  • OEM-standard fitment and function

  • Fine-wire iridium electrode for stable spark and extended life

  • Trivalent metal plating for corrosion resistance

  • Engineered for clean combustion and minimal misfiring

  • Reliable ignition under varying load and temperature conditions

    
    

    Code Segment	Meaning
    I	Iridium center electrode
    LZ	Short shell + resistor suppression
    K	Two ground electrodes
    B	14 mm/1.25 mm/16 mm hex
    R	Gasket seat
    7	Heat range 7
    B	Specific thread reach/insulator length
    8	Pre‑set spark gap, approx. 0.8 mm
    G	Fine-wire firing end construction

  
  

  Spanner Size	14 mm
  Thread Size	M12 x 1,25
  Thread Length	26.5 mm
  Spark Plug	Iridium Middle Electrode, 1 - Earthed Electrode, Interference Suppression 5 kOhm, with gasket seat
  Spark Position	5 mm
  Version	Bi-Hex