NGK LASER IRIDIUM SPARK PLUG - BMW M3 /M4

NGK LASER IRIDIUM SPARK PLUG - BMW M3 /M4

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$25.00
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$25.00
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LASER IRIDIUM SPARK PLUG
NGK SILZKBR8D8S (97506)

When tuning your BMW N20, N55, S55, N63TU, S63TU it is recommended to go with 1-step colder spark plugs. 

Technical Specs
Thread Size (mm) 12
Thread Reach (mm) 26.5
Hex Size (inch) 14mm bi-hex
Seat Type Cu Gasket
Resistor Type Resistor
Projection Type Extended
Heat Range 8
Center Electrode Type & Material Iridium
No. of Ground Electrodes 1 Ground Electrode
Terminal Type Solid
Pre-Set Gap (inch) 0.030"
Thread Pitch (mm) 1.25