Optima V6-2.7L VIN 8 (2006)
Spark Plug: Application and ID
NGK ...................................................................................................................................................................................................................... PFR5N-11
Champion .............................................................................................................................................................................................................. PFR6N-11
Gap ..................................................................................................................................................................................... 1.0-1.1 mm (0.039-0.043 in in.)
Torque .................................................................................................................................................................... 20-30 Nm (200-300 kg.cm, 14-22 Ib.ft)