NGK Iridium IX Spark Plug Box of 4 (LTR6IX-11)

NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode's durability is six times harder than platinum. Iridium alloy's extremely high melting point is perfect for today's engines. For even greater performance consider upgrading to an NGK Ruthenium HX plug.This Part Fits: Year Make Model Submodel 2012-2013,2018 Buick Enclave Base 2014-2017 Buick Enclave Convenience 2008-2011 Buick Enclave CX 2008-2011 Buick Enclave CXL 2018-2020 Buick Enclave Essence 2014-2017 Buick Enclave Leather 2019-2020 Buick Enclave Preferred 2014-2020 Buick Enclave Premium 2012-2016 Buick LaCrosse Base 2012 Buick LaCrosse Convenience 2010-2011 Buick LaCrosse CX 2010-2011 Buick