Recommended for turbocharged and supercharged engines.
Brand new, genuine NGK Ruthenium HX spark plugs.
Latest technology in spark plugs.
 
About Ruthenium HX Spark Plugs 
Please see listing photos for comparison of Ruthenium HX spark plugs vs existing technologies.
"NGK Spark Plugs is introducing the latest technology in high ignitability spark plugs to the automotive aftermarket: NGK Ruthenium HX™ .
 
Ruthenium HX Spark Plugs
 
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.
NGK Ruthenium technology provides maximum durability and performance in newer engines where greater ignition efficiency is demanded.Modern engine designs utilize advanced technologies to create more power with less fuel. This results in greater heat and pressure in the combustion chamber, which shortens the life the spark plug. In response, NGK created Ruthenium HX™, a high ignitability spark plug with outstanding service life.
 
Patented high ignitability DFE and PSPE tip designs provide the most efficient and complete fuel burn of any aftermarket plug, resulting in quicker throttle response, smoother idle and better cold starts.
 
NGK's Ruthenium alloy technology provides superior oxidation resistance, delivering unparalleled durability and outstanding service life.
 
Patented OEM designs meet the demands of modern high heat engines.
Ruthenium HX™ contains all the features that enthusiasts expect from NGK spark plugs, including a high grade alumina silicate ceramic, trivalent plated, cold rolled threads, and the highest quality manufacturing and testing."
 
Source: https://www.ngksparkplugs.ca/products-spark-plugs-Ruthenium%20HX.cfm
 
Warranty and Support
All Ruthenium HX spark plugs come with a 12-month warranty.
These spark plugs are direct-imported from an authorised NGK supplier in the USA. Peak Performance Parts assumes all responsibility (not NGK Australia) and provides a comparable high level of product & technical support, and full warranty of purchases via this listing. Buyers are also protected by Australian consumer law.