NGK 6509 LTR6IX-11 Spark Plug
- OEM number: LTR6IX-11- 6 #6509 Iridium Spark
- Extreme performance upgrade via OEM spark plugs and provide a lifetime at 40,000 50,000 miles.
- Plugs have a fine-wire Iridium center electrode and nickel-alloy terrain electrodes for maximum engine and torque.
- Designed for fuel-injected and turbo engines.
- Precision laser electrode construction.