NGK Iridium LTR7IX-11 Electrode Spark Plug 6510 Single

Single Iridium IX spark plug by NGK. 
Centre Electrode - Iridium tip 
Ground Electrode - Nickel  
Long service life and even better ignitability due to a small diameter centre electro

Holden Commodore, 2005-06 3.6 i V6 Dual Fuel LPG Sedan Petrol Engine 
Holden Commodore, 2006-07 3.6 i V6 Dual Fuel LPG Ute Petrol Engine 
Holden Commodore, 2007-13 3.6 i V6 Dual Fuel LPG Ute Petrol Enginede 

Ford Focus