Nissan Opel Suzuki Iridium Spark Plug IKR6G11 7980, improve combustion efficiency

Nissan/Opel/Suzuki post-2000 models may use KLP iridium spark plug IKR6G11 7980, with iridium electrode and standard resistance design; durability superior to standard nickel alloy plugs, suitable for everyday ignition needs. OEM IKR6G11 7980, M14x1.25 thread and 26.5 mm thread engagement length; installation difficulty moderate. Improves precise ignition, reduces carbon buildup; good as a reliable replacement for OEM plugs, maintaining engine performance.