Description
NGK LZKR6AI-10G Spark Plug (Stock No. 97999)
This NGK spark plug delivers reliable ignition, stable idle, and clean combustion. It uses a fine-wire precious metal centre for a strong spark with less voltage, which helps cold starts and reduces misfires. It is a good choice for tuned petrol engines that need consistent spark under load, as well as standard cars that value long service life.
Expect smoother running, better throttle response, and steady performance over a long interval. It is a resistor plug, so it helps cut electrical noise that can affect sensors and the radio.
Always check your vehicle’s lookup on our site or the Vehicle Fitment tab to confirm this exact part number before ordering.
| Part Number | LZKR6AI-10G |
| NGK Stock Number | 97999 |
| Part Category | 686 – Spark Plug |
| GTIN | 87295979990 |
| Heat Range (NGK) | 6 (medium) |
| Factory Gap | 1.0 mm (-10) |
| Resistor | Yes |
| Centre Electrode | Fine-wire precious metal (iridium type) |
| Ground Electrode | Optimised for stable spark and wear resistance |
- Use only if this exact code matches your vehicle’s specification.
- Install on a cold engine with the correct socket and torque to the manufacturer’s spec.
The price displayed is for a single plug, please add the desired amount to your basket.
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