HX Ruthenium Spark Plug by NGK. NGK Spark Plugs is introducing the latest technology in high ignitability spark plugs to the automotive aftermarket NGK Ruthenium HX. Ruthenium HX spark plugs. The ultimate high ignitability spark plugs from NGK. Modern engines demand spark plugs that provide top performance while enduring the most severe conditions.
Features- DFE & PSPE tip designs
- Superior oxidation resistance
- Advanced high-ignitability technology
- Enhanced blistering/anti-peeling
Compatibility:- 2005-2008, 2010 Buick Allure
- 2008-2017 Buick Enclave
- 2005-2008, 2010-2016 Buick Lacrosse
- 2004-2006 Buick Rendezvous
- 2013-2015 Cadillac ATS
- 2004-2015 Cadillac CTS
- 2004-2016 Cadillac SRX
- 2005-2011 Cadillac STS
- 2013-2017 Cadillac XTS
Specifications- Electrode Material: Ruthenium
- Insulator Type: Projected
- Nominal Gap: 1.1 mm
- Heat Range: 6
- Country of Origin: Japan